嘉(Jia)峪(Yu)关(Guan)保(Bao)温(Wen)颗(Ke)粒(Li)砂(Sha)浆(Jiang)哪(Na)家(Jia)好(Hao)

甘(Gan)肃(Su)亿(Yi)能(Neng)君(Jun)展(Zhan)建(Jian)材(Cai)销(Xiao)售(Shou)有(You)限(Xian)公(Gong)司(Si)带(Dai)你(Ni)了(Liao)解(Jie)关(Guan)于(Yu)嘉(Jia)峪(Yu)关(Guan)保(Bao)温(Wen)颗(Ke)粒(Li)砂(Sha)浆(Jiang)哪(Na)家(Jia)好(Hao)的(De)信(Xin)息(Xi),在(Zai)我(Wo)国(Guo)，(?)目(Mu)前(Qian)保(Bao)温(Wen)砂(Sha)浆(Jiang)主(Zhu)要(Yao)用(Yong)于(Yu)墙(Qiang)体(Ti)材(Cai)料(Liao)、(?)防(Fang)火(Huo)材(Cai)料(Liao)、(?)建(Jian)筑(Zhu)涂(Tu)料(Liao)等(Deng)。(?)由(You)于(Yu)保(Bao)温(Wen)砂(Sha)浆(Jiang)的(De)施(Shi)工(Gong)工(Gong)艺(Yi)简(Jian)单(Dan)，(?)施(Shi)工(Gong)效(Xiao)率(Lu)高(Gao)，(?)使(Shi)用(Yong)寿(Shou)命(Ming)长(Chang)。(?)但(Dan)其(Qi)施(Shi)工(Gong)过(Guo)程(Cheng)中(Zhong)的(De)安(An)全(Quan)隐(Yin)患(Huan)较(Jiao)多(Duo)。(?)如(Ru)墙(Qiang)面(Mian)裂(Lie)缝(Feng)及(Ji)开(Kai)裂(Lie)。(?)对(Dui)此(Ci)，(?)应(Ying)加(Jia)强(Qiang)对(Dui)保(Bao)温(Wen)砂(Sha)浆(Jiang)生(Sheng)产(Chan)企(Qi)业(Ye)的(De)技(Ji)术(Shu)指(Zhi)导(Dao)和(He)监(Jian)督(Du)管(Guan)理(Li)。(?)对(Dui)于(Yu)不(Bu)能(Neng)达(Da)到(Dao)标(Biao)准(Zhun)的(De)，(?)应(Ying)责(Ze)令(Ling)限(Xian)期(Qi)整(Zheng)改(Gai)。(?)。(?)这(Zhe)种(Zhong)产(Chan)品(Pin)在(Zai)防(Fang)火(Huo)方(Fang)面(Mian)表(Biao)现(Xian)不(Bu)错(Cuo)。(?)保(Bao)温(Wen)砂(Sha)浆(Jiang)可(Ke)广(Guang)泛(Fan)用(Yong)于(Yu)建(Jian)筑(Zhu)物(Wu)的(De)防(Fang)火(Huo)隔(Ge)离(Li)。(?)无(Wu)机(Ji)保(Bao)温(Wen)砂(Sha)浆(Jiang)可(Ke)广(Guang)泛(Fan)用(Yong)于(Yu)各(Ge)类(Lei)建(Jian)筑(Zhu)物(Wu)的(De)防(Fang)火(Huo)隔(Ge)离(Li)。(?)可(Ke)以(Yi)广(Guang)泛(Fan)应(Ying)用(Yong)在(Zai)高(Gao)层(Ceng)、(?)多(Duo)层(Ceng)、(?)多(Duo)功(Gong)能(Neng)住(Zhu)宅(Zhai)、(?)办(Ban)公(Gong)楼(Lou)和(He)工(Gong)业(Ye)厂(Chang)房(Fang)。(?)无(Wu)机(Ji)保(Bao)温(Wen)砂(Sha)浆(Jiang)是(Shi)以(Yi)各(Ge)种(Zhong)轻(Qing)质(Zhi)材(Cai)料(Liao)为(Wei)骨(Gu)料(Liao)，(?)以(Yi)水(Shui)泥(Ni)为(Wei)胶(Jiao)凝(Ning)剂(Ji)，(?)掺(Chan)和(He)一(Yi)些(Xie)改(Gai)性(Xing)添(Tian)加(Jia)剂(Ji)，(?)经(Jing)生(Sheng)产(Chan)企(Qi)业(Ye)搅(Jiao)拌(Ban)混(Hun)合(He)而(?)制(Zhi)成(Cheng)的(De)一(Yi)种(Zhong)预(Yu)拌(Ban)干(Gan)粉(Fen)砂(Sha)浆(Jiang)。(?)在(Zai)高(Gao)层(Ceng)建(Jian)筑(Zhu)中(Zhong)，(?)使(Shi)用(Yong)的(De)无(Wu)机(Ji)保(Bao)温(Wen)砂(Sha)浆(Jiang)是(Shi)以(Yi)水(Shui)泥(Ni)为(Wei)骨(Gu)料(Liao)，(?)掺(Chan)入(Ru)一(Yi)些(Xie)改(Gai)性(Xing)添(Tian)加(Jia)剂(Ji)，(?)经(Jing)生(Sheng)产(Chan)企(Qi)业(Ye)搅(Jiao)拌(Ban)混(Hun)合(He)而(?)制(Zhi)成(Cheng)的(De)一(Yi)种(Zhong)预(Yu)拌(Ban)干(Gan)粉(Fen)砂(Sha)浆(Jiang)。(?)无(Wu)机(Ji)保(Bao)温(Wen)砂(Sha)浆(Jiang)在(Zai)建(Jian)筑(Zhu)物(Wu)中(Zhong)广(Guang)泛(Fan)应(Ying)用(Yong)。(?)可(Ke)以(Yi)广(Guang)泛(Fan)应(Ying)用(Yong)于(Yu)各(Ge)类(Lei)建(Jian)筑(Zhu)物(Wu)的(De)防(Fang)火(Huo)隔(Ge)离(Li)。(?)无(Wu)机(Ji)保(Bao)温(Wen)砂(Sha)浆(Jiang)可(Ke)广(Guang)泛(Fan)应(Ying)用(Yong)于(Yu)各(Ge)类(Lei)办(Ban)公(Gong)楼(Lou)、(?)工(Gong)业(Ye)厂(Chang)房(Fang)和(He)工(Gong)业(Ye)厂(Chang)房(Fang)。(?)

嘉(Jia)峪(Yu)关(Guan)保(Bao)温(Wen)颗(Ke)粒(Li)砂(Sha)浆(Jiang)哪(Na)家(Jia)好(Hao),无(Wu)机(Ji)保(Bao)温(Wen)砂(Sha)浆(Jiang)材(Cai)料(Liao)可(Ke)用(Yong)于(Yu)建(Jian)筑(Zhu)外(Wai)墙(Qiang)、(?)内(Nei)屋(Wu)面(Mian)和(He)室(Shi)内(Nei)装(Zhuang)饰(Shi)，(?)也(Ye)可(Ke)用(Yong)作(Zuo)防(Fang)水(Shui)材(Cai)料(Liao)。(?)它(Ta)不(Bu)仅(Jin)可(Ke)以(Yi)防(Fang)火(Huo)、(?)隔(Ge)热(Re)，(?)而(?)且(Qie)还(Huan)能(Neng)减(Jian)少(Shao)建(Jian)筑(Zhu)物(Wu)的(De)重(Zhong)量(Liang)。(?)它(Ta)具(Ju)有(You)优(You)良(Liang)的(De)耐(Nai)高(Gao)温(Wen)性(Xing)能(Neng)，(?)并(Bing)具(Ju)有(You)较(Jiao)好(Hao)的(De)抗(Kang)腐(Fu)蚀(Shi)性(Xing)。(?)在(Zai)使(Shi)用(Yong)中(Zhong)，(?)由(You)于(Yu)无(Wu)机(Ji)保(Bao)温(Wen)砂(Sha)浆(Jiang)材(Cai)料(Liao)具(Ju)有(You)良(Liang)好(Hao)的(De)耐(Nai)候(Hou)性(Xing)和(He)抗(Kang)冻(Dong)融(Rong)性(Xing)。(?)因(Yin)而(?)，(?)在(Zai)建(Jian)筑(Zhu)工(Gong)程(Cheng)中(Zhong)使(Shi)用(Yong)时(Shi)，(?)应(Ying)注(Zhu)意(Yi)以(Yi)下(Xia)几(Ji)点(Dian).选(Xuan)用(Yong)无(Wu)机(Ji)保(Bao)温(Wen)砂(Sha)浆(Jiang)材(Cai)料(Liao)。(?)无(Wu)机(Ji)保(Bao)温(Wen)砂(Sha)浆(Jiang)材(Cai)料(Liao)的(De)主(Zhu)要(Yao)成(Cheng)分(Fen)为(Wei)聚(Ju)乙(Yi)烯(Xi)、(?)聚(Ju)丙(Bing)烯(Xi)、(?)丁(Ding)二(?)醇(Chun)酯(Zhi)和(He)苯(Ben)等(Deng)。(?)它(Ta)是(Shi)一(Yi)种(Zhong)节(Jie)能(Neng)环(Huan)保(Bao)的(De)新(Xin)型(Xing)建(Jian)筑(Zhu)涂(Tu)料(Liao)。(?)它(Ta)具(Ju)有(You)优(You)良(Liang)的(De)耐(Nai)候(Hou)性(Xing)和(He)抗(Kang)冻(Dong)融(Rong)性(Xing)。(?).选(Xuan)择(Ze)合(He)理(Li)的(De)施(Shi)工(Gong)方(Fang)法(Fa)。(?)施(Shi)工(Gong)方(Fang)法(Fa)是(Shi)将(Jiang)混(Hun)凝(Ning)土(Tu)和(He)水(Shui)泥(Ni)砂(Sha)浆(Jiang)混(Hun)合(He)，(?)再(Zai)在(Zai)墙(Qiang)体(Ti)上(Shang)铺(Pu)设(She)密(Mi)封(Feng)胶(Jiao)。(?)

保(Bao)温(Wen)砂(Sha)浆(Jiang)是(Shi)一(Yi)种(Zhong)高(Gao)强(Qiang)度(Du)的(De)保(Bao)温(Wen)材(Cai)料(Liao)，(?)其(Qi)耐(Nai)热(Re)性(Xing)、(?)隔(Ge)音(Yin)性(Xing)能(Neng)、(?)防(Fang)火(Huo)性(Xing)能(Neng)均(Jun)优(You)于(Yu)同(Tong)类(Lei)产(Chan)品(Pin)。(?)在(Zai)使(Shi)用(Yong)过(Guo)程(Cheng)中(Zhong)，(?)可(Ke)以(Yi)有(You)效(Xiao)地(Di)降(Jiang)低(Di)施(Shi)工(Gong)中(Zhong)的(De)火(Huo)灾(Zai)危(Wei)险(Xian)。(?)保(Bao)温(Wen)砂(Sha)浆(Jiang)具(Ju)有(You)良(Liang)好(Hao)的(De)抗(Kang)震(Zhen)能(Neng)力(Li)和(He)防(Fang)水(Shui)功(Gong)能(Neng)。(?)它(Ta)不(Bu)仅(Jin)可(Ke)作(Zuo)为(Wei)墙(Qiang)体(Ti)材(Cai)料(Liao)使(Shi)用(Yong)，(?)也(Ye)是(Shi)建(Jian)筑(Zhu)装(Zhuang)修(Xiu)时(Shi)选(Xuan)择(Ze)和(He)应(Ying)用(Yong)的(De)建(Jian)筑(Zhu)材(Cai)料(Liao)之(Zhi)一(Yi)。(?)在(Zai)保(Bao)温(Wen)砂(Sha)浆(Jiang)的(De)施(Shi)工(Gong)中(Zhong)，(?)应(Ying)注(Zhu)意(Yi)以(Yi)下(Xia)几(Ji)点(Dian)首(Shou)先(Xian)要(Yao)求(Qiu)施(Shi)工(Gong)人(Ren)员(Yuan)对(Dui)墙(Qiang)体(Ti)材(Cai)料(Liao)有(You)足(Zu)够(Gou)的(De)认(Ren)识(Shi)。(?)其(Qi)次(Ci)，(?)在(Zai)施(Shi)工(Gong)过(Guo)程(Cheng)中(Zhong)要(Yao)注(Zhu)意(Yi)防(Fang)火(Huo)。(?)保(Bao)温(Wen)砂(Sha)浆(Jiang)是(Shi)一(Yi)种(Zhong)高(Gao)性(Xing)能(Neng)的(De)混(Hun)凝(Ning)土(Tu)结(Jie)构(Gou)材(Cai)料(Liao)。(?)它(Ta)具(Ju)有(You)耐(Nai)水(Shui)、(?)耐(Nai)火(Huo)、(?)防(Fang)火(Huo)等(Deng)特(Te)点(Dian)。(?)目(Mu)前(Qian)已(Yi)经(Jing)被(Bei)广(Guang)泛(Fan)用(Yong)于(Yu)各(Ge)种(Zhong)建(Jian)筑(Zhu)物(Wu)的(De)墙(Qiang)体(Ti)和(He)屋(Wu)面(Mian)。(?)由(You)于(Yu)这(Zhe)些(Xie)材(Cai)料(Liao)在(Zai)使(Shi)用(Yong)过(Guo)程(Cheng)中(Zhong)，(?)对(Dui)人(Ren)身(Shen)、(?)财(Cai)产(Chan)安(An)全(Quan)和(He)环(Huan)境(Jing)影(Ying)响(Xiang)很(Hen)大(Da)。(?)为(Wei)了(Liao)解(Jie)决(Jue)这(Zhe)一(Yi)题(Ti)，(?)我(Wo)国(Guo)在(Zai)建(Jian)筑(Zhu)领(Ling)域(Yu)已(Yi)经(Jing)取(Qu)得(De)了(Liao)一(Yi)定(Ding)的(De)成(Cheng)果(Guo)。(?)但(Dan)是(Shi)，(?)由(You)于(Yu)保(Bao)温(Wen)砂(Sha)浆(Jiang)技(Ji)术(Shu)的(De)研(Yan)究(Jiu)和(He)应(Ying)用(Yong)还(Huan)不(Bu)够(Gou)广(Guang)泛(Fan)，(?)保(Bao)温(Wen)砂(Sha)浆(Jiang)的(De)性(Xing)能(Neng)、(?)施(Shi)工(Gong)方(Fang)法(Fa)等(Deng)也(Ye)还(Huan)存(Cun)在(Zai)不(Bu)少(Shao)缺(Que)陷(Xian)。(?)在(Zai)保(Bao)温(Wen)砂(Sha)浆(Jiang)的(De)应(Ying)用(Yong)中(Zhong)，(?)我(Wo)国(Guo)还(Huan)存(Cun)在(Zai)一(Yi)些(Xie)题(Ti)首(Shou)先(Xian)是(Shi)保(Bao)温(Wen)砂(Sha)浆(Jiang)的(De)施(Shi)工(Gong)方(Fang)法(Fa)不(Bu)当(Dang)，(?)造(Zao)成(Cheng)保(Bao)温(Wen)层(Ceng)破(Po)坏(Huai)。(?)由(You)于(Yu)这(Zhe)种(Zhong)保(Bao)温(Wen)砂(Sha)浆(Jiang)的(De)施(Shi)工(Gong)方(Fang)法(Fa)简(Jian)单(Dan)易(Yi)行(Xing)、(?)操(Cao)作(Zuo)方(Fang)便(Bian)、(?)效(Xiao)率(Lu)高(Gao)等(Deng)优(You)点(Dian)，(?)因(Yin)此(Ci)对(Dui)建(Jian)筑(Zhu)物(Wu)造(Zao)成(Cheng)了(Liao)很(Hen)大(Da)破(Po)坏(Huai)。(?)其(Qi)次(Ci)是(Shi)由(You)于(Yu)施(Shi)工(Gong)过(Guo)程(Cheng)中(Zhong)产(Chan)生(Sheng)大(Da)量(Liang)废(Fei)气(Qi)。(?)这(Zhe)些(Xie)废(Fei)气(Qi)对(Dui)环(Huan)境(Jing)有(You)很(Hen)大(Da)污(Wu)染(Ran)。(?)第(Di)三(San)是(Shi)施(Shi)工(Gong)过(Guo)程(Cheng)中(Zhong)产(Chan)生(Sheng)的(De)噪(Zao)声(Sheng)、(?)粉(Fen)尘(Chen)等(Deng)污(Wu)染(Ran)物(Wu)。(?)这(Zhe)些(Xie)都(Du)对(Dui)保(Bao)温(Wen)砂(Sha)浆(Jiang)的(De)使(Shi)用(Yong)造(Zao)成(Cheng)一(Yi)定(Ding)的(De)影(Ying)响(Xiang)。(?)因(Yin)此(Ci)，(?)应(Ying)该(Gai)尽(Jin)快(Kuai)研(Yan)究(Jiu)和(He)制(Zhi)订(Ding)相(Xiang)关(Guan)法(Fa)律(Lu)法(Fa)规(Gui)，(?)以(Yi)确(Que)保(Bao)建(Jian)筑(Zhu)物(Wu)在(Zai)运(Yun)行(Xing)过(Guo)程(Cheng)中(Zhong)不(Bu)受(Shou)损(Sun)害(Hai)。(?)目(Mu)前(Qian)，(?)我(Wo)国(Guo)正(Zheng)处(Chu)于(Yu)工(Gong)业(Ye)化(Hua)进(Jin)程(Cheng)加(Jia)速(Su)时(Shi)期(Qi)。(?)随(Sui)着(Zhuo)经(Jing)济(Ji)社(She)会(Hui)的(De)发(Fa)展(Zhan)和(He)城(Cheng)市(Shi)化(Hua)进(Jin)程(Cheng)不(Bu)断(Duan)加(Jia)快(Kuai)。(?)

保(Bao)温(Wen)砂(Sha)浆(Jiang)是(Shi)以(Yi)各(Ge)种(Zhong)轻(Qing)质(Zhi)材(Cai)料(Liao)为(Wei)骨(Gu)料(Liao)，(?)以(Yi)水(Shui)泥(Ni)为(Wei)胶(Jiao)凝(Ning)料(Liao)，(?)掺(Chan)和(He)一(Yi)些(Xie)改(Gai)性(Xing)添(Tian)加(Jia)剂(Ji)，(?)经(Jing)生(Sheng)产(Chan)企(Qi)业(Ye)搅(Jiao)拌(Ban)混(Hun)合(He)而(?)制(Zhi)成(Cheng)的(De)一(Yi)种(Zhong)预(Yu)拌(Ban)干(Gan)粉(Fen)砂(Sha)浆(Jiang)。(?)用(Yong)于(Yu)构(Gou)筑(Zhu)建(Jian)筑(Zhu)表(Biao)面(Mian)保(Bao)温(Wen)层(Ceng)的(De)一(Yi)种(Zhong)建(Jian)筑(Zhu)材(Cai)料(Liao)。(?)无(Wu)机(Ji)保(Bao)温(Wen)砂(Sha)浆(Jiang)材(Cai)料(Liao)保(Bao)温(Wen)系(Xi)统(Tong)防(Fang)火(Huo)不(Bu)燃(Ran)烧(Shao)。(?)可(Ke)广(Guang)泛(Fan)用(Yong)于(Yu)密(Mi)集(Ji)型(Xing)住(Zhu)宅(Zhai)、(?)公(Gong)共(Gong)建(Jian)筑(Zhu)、(?)大(Da)型(Xing)公(Gong)共(Gong)场(Chang)所(Suo)、(?)易(Yi)燃(Ran)易(Yi)爆(Bao)场(Chang)所(Suo)、(?)对(Dui)防(Fang)火(Huo)要(Yao)求(Qiu)严(Yan)格(Ge)场(Chang)所(Suo)。(?)还(Huan)可(Ke)作(Zuo)为(Wei)放(Fang)火(Huo)隔(Ge)离(Li)带(Dai)施(Shi)工(Gong)，(?)提(Ti)高(Gao)建(Jian)筑(Zhu)防(Fang)火(Huo)标(Biao)准(Zhun)。(?)保(Bao)温(Wen)砂(Sha)浆(Jiang)的(De)主(Zhu)要(Yao)作(Zuo)用(Yong)防(Fang)水(Shui)性(Xing)能(Neng)好(Hao)，(?)可(Ke)广(Guang)泛(Fan)用(Yong)于(Yu)建(Jian)筑(Zhu)物(Wu)、(?)构(Gou)筑(Zhu)物(Wu)、(?)公(Gong)共(Gong)建(Jian)筑(Zhu)等(Deng)。(?)它(Ta)的(De)主(Zhu)要(Yao)作(Zuo)用(Yong)是(Shi)防(Fang)水(Shui)性(Xing)能(Neng)好(Hao)，(?)可(Ke)广(Guang)泛(Fan)应(Ying)用(Yong)于(Yu)房(Fang)屋(Wu)结(Jie)构(Gou)和(He)设(She)备(Bei);增(Zeng)强(Qiang)室(Shi)内(Nei)外(Wai)墙(Qiang)面(Mian)及(Ji)天(Tian)花(Hua)板(Ban)防(Fang)火(Huo)隔(Ge)离(Li)功(Gong)能(Neng);降(Jiang)低(Di)空(Kong)气(Qi)中(Zhong)有(You)害(Hai)化(Hua)学(Xue)物(Wu)质(Zhi)含(Han)量(Liang);增(Zeng)加(Jia)室(Shi)内(Nei)外(Wai)光(Guang)线(Xian)对(Dui)人(Ren)体(Ti)健(Jian)康(Kang)的(De)影(Ying)响(Xiang)。(?)保(Bao)温(Wen)砂(Sha)浆(Jiang)具(Ju)有(You)防(Fang)水(Shui)、(?)隔(Ge)热(Re)和(He)抗(Kang)火(Huo)等(Deng)优(You)点(Dian)。(?)可(Ke)以(Yi)用(Yong)于(Yu)各(Ge)种(Zhong)建(Jian)筑(Zhu)材(Cai)料(Liao)，(?)如(Ru)钢(Gang)筋(Jin)混(Hun)凝(Ning)土(Tu)砌(Qi)块(Kuai)、(?)混(Hun)凝(Ning)土(Tu)外(Wai)墙(Qiang)砖(Zhuan)、(?)防(Fang)水(Shui)板(Ban)等(Deng)。(?)保(Bao)温(Wen)砂(Sha)浆(Jiang)的(De)应(Ying)用(Yong)范(Fan)围(Wei)很(Hen)广(Guang)，(?)主(Zhu)要(Yao)是(Shi)在(Zai)住(Zhu)宅(Zhai)建(Jian)筑(Zhu)中(Zhong)。(?)目(Mu)前(Qian)国(Guo)内(Nei)有(You)许(Xu)多(Duo)企(Qi)业(Ye)生(Sheng)产(Chan)的(De)保(Bao)温(Wen)砂(Sha)浆(Jiang)产(Chan)品(Pin)已(Yi)广(Guang)泛(Fan)应(Ying)用(Yong)到(Dao)各(Ge)种(Zhong)工(Gong)程(Cheng)建(Jian)设(She)中(Zhong)去(Qu)。(?)但(Dan)由(You)于(Yu)其(Qi)成(Cheng)本(Ben)过(Guo)高(Gao)，(?)不(Bu)能(Neng)满(Man)足(Zu)工(Gong)程(Cheng)质(Zhi)量(Liang)要(Yao)求(Qiu)。(?)因(Yin)此(Ci)，(?)在(Zai)我(Wo)国(Guo)应(Ying)大(Da)力(Li)推(Tui)广(Guang)使(Shi)用(Yong)保(Bao)温(Wen)砂(Sha)浆(Jiang)。(?)目(Mu)前(Qian)，(?)在(Zai)建(Jian)筑(Zhu)中(Zhong)使(Shi)用(Yong)的(De)保(Bao)温(Wen)砂(Sha)浆(Jiang)主(Zhu)要(Yao)有(You)两(Liang)种(Zhong)。(?)一(Yi)种(Zhong)是(Shi)混(Hun)凝(Ning)土(Tu)外(Wai)墙(Qiang)砖(Zhuan)、(?)混(Hun)凝(Ning)土(Tu)砌(Qi)块(Kuai)、(?)防(Fang)水(Shui)板(Ban)。(?)这(Zhe)些(Xie)产(Chan)品(Pin)主(Zhu)要(Yao)用(Yong)于(Yu)各(Ge)类(Lei)工(Gong)程(Cheng)建(Jian)设(She)中(Zhong)。(?)另(Ling)一(Yi)种(Zhong)是(Shi)防(Fang)水(Shui)板(Ban)。(?)这(Zhe)些(Xie)产(Chan)品(Pin)主(Zhu)要(Yao)是(Shi)为(Wei)了(Liao)节(Jie)约(Yue)能(Neng)源(Yuan)。(?)因(Yin)为(Wei)它(Ta)们(Men)具(Ju)有(You)耐(Nai)腐(Fu)蚀(Shi)和(He)抗(Kang)火(Huo)等(Deng)优(You)点(Dian)。(?)