天(Tian)水(Shui)预(Yu)制(Zhi)聚(Ju)氨(An)酯(Zhi)管(Guan)生(Sheng)产(Chan)
2024-05-21 来(Lai)自(Zi): 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) 浏(Liu)览(Lan)次(Ci)数(Shu):159
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)天(Tian)水(Shui)预(Yu)制(Zhi)聚(Ju)氨(An)酯(Zhi)管(Guan)生(Sheng)产(Chan)相(Xiang)关(Guan)信(Xin)息(Xi),聚(Ju)氨(An)酯(Zhi)保(Bao)温(Wen)管(Guan)在(Zai)施(Shi)工(Gong)过(Guo)程(Cheng)中(Zhong),(?)要(Yao)选(Xuan)用(Yong)冷(Leng)库(Ku)型(Xing)专(Zhuan)用(Yong)喷(Pen)涂(Tu)料(Liao)。(?)聚(Ju)氨(An)酯(Zhi)发(Fa)泡(Pao)由(You)单(Dan)组(Zu)分(Fen)组(Zu)成(Cheng),(?)甲(Jia)乙(Yi)丙(Bing)三(San)种(Zhong)构(Gou)成(Cheng)。(?)聚(Ju)氨(An)酯(Zhi)发(Fa)泡(Pao)由(You)双(Shuang)组(Zu)分(Fen)组(Zu)成(Cheng),(?)甲(Jia)乙(Yi)丙(Bing)三(San)种(Zhong)构(Gou)成(Cheng)。(?)聚(Ju)氨(An)酯(Zhi)发(Fa)泡(Pao)的(De)特(Te)点(Dian)是(Shi)结(Jie)晶(Jing)性(Xing)强(Qiang)、(?)抗(Kang)腐(Fu)蚀(Shi)性(Xing)好(Hao)、(?)耐(Nai)热(Re)性(Xing)好(Hao)、(?)耐(Nai)高(Gao)温(Wen)。(?)聚(Ju)醚(Mi)系(Xi)统(Tong)的(De)优(You)势(Shi)是(Shi)可(Ke)靠(Kao)性(Xing)高(Gao)。(?)聚(Ju)氨(An)酯(Zhi)发(Fa)泡(Pao)具(Ju)有(You)高(Gao)温(Wen)稳(Wen)定(Ding)性(Xing)、(?)耐(Nai)化(Hua)学(Xue)腐(Fu)蚀(Shi)性(Xing)、(?)抗(Kang)氧(Yang)化(Hua)性(Xing)和(He)耐(Nai)热(Re)等(Deng)特(Te)点(Dian)。(?)聚(Ju)氨(An)酯(Zhi)发(Fa)泡(Pao)的(De)主(Zhu)要(Yao)优(You)点(Dian)是(Shi)结(Jie)晶(Jing)度(Du)小(Xiao),(?)可(Ke)靠(Kao)性(Xing)高(Gao)。(?)聚(Ju)醚(Mi)系(Xi)统(Tong)的(De)优(You)点(Dian)是(Shi)结(Jie)晶(Jing)度(Du)小(Xiao),(?)易(Yi)于(Yu)清(Qing)洗(Xi)。(?)聚(Ju)醚(Mi)系(Xi)统(Tong)的(De)优(You)势(Shi)是(Shi)结(Jie)晶(Jing)度(Du)大(Da)。(?)聚(Ju)醚(Mi)系(Xi)统(Tong)的(De)优(You)势(Shi)是(Shi)结(Jie)晶(Jing)度(Du)低(Di)。(?)聚(Ju)醚(Mi)系(Xi)统(Tong)中(Zhong)的(De)水(Shui)分(Fen)散(San)失(Shi)很(Hen)少(Shao)。(?),(?)不(Bu)能(Neng)完(Wan)全(Quan)凝(Ning)固(Gu)成(Cheng)形(Xing)。(?)聚(Ju)氨(An)酯(Zhi)发(Fa)泡(Pao)的(De)主(Zhu)要(Yao)优(You)点(Dian)是(Shi)保(Bao)温(Wen)性(Xing)好(Hao);(?)耐(Nai)高(Gao)温(Wen),(?)可(Ke)用(Yong)于(Yu)各(Ge)种(Zhong)工(Gong)程(Cheng);(?)可(Ke)以(Yi)使(Shi)管(Guan)壳(Ke)在(Zai)低(Di)温(Wen)条(Tiao)件(Jian)下(Xia)保(Bao)持(Chi)良(Liang)好(Hao)的(De)散(San)热(Re)效(Xiao)果(Guo)。(?)聚(Ju)氨(An)酯(Zhi)的(De)优(You)点(Dian)是(Shi)耐(Nai)热(Re)性(Xing)能(Neng)好(Hao);(?)可(Ke)以(Yi)用(Yong)于(Yu)各(Ge)种(Zhong)工(Gong)程(Cheng);(?)可(Ke)以(Yi)在(Zai)低(Di)温(Wen)条(Tiao)件(Jian)下(Xia)使(Shi)用(Yong)。(?)由(You)于(Yu)聚(Ju)氨(An)酯(Zhi)发(Fa)泡(Pao)的(De)主(Zhu)要(Yao)特(Te)征(Zheng)是(Shi)l、(?)具(Ju)有(You)很(Hen)高(Gao)的(De)抗(Kang)静(Jing)电(Dian)性(Xing),(?)因(Yin)而(?)它(Ta)能(Neng)够(Gou)在(Zai)极(Ji)端(Duan)恶(E)劣(Lie)的(De)环(Huan)境(Jing)中(Zhong)长(Chang)期(Qi)保(Bao)持(Chi)稳(Wen)定(Ding)的(De)散(San)热(Re)效(Xiao)果(Guo)。(?)同(Tong)时(Shi),(?)它(Ta)还(Huan)具(Ju)有(You)很(Hen)高(Gao)耐(Nai)酸(Suan)碱(Jian)性(Xing)和(He)较(Jiao)高(Gao)抗(Kang)冲(Chong)击(Ji)性(Xing)。(?)由(You)于(Yu)聚(Ju)氨(An)酯(Zhi)发(Fa)泡(Pao)的(De)特(Te)性(Xing),(?)它(Ta)能(Neng)够(Gou)在(Zai)极(Ji)端(Duan)恶(E)劣(Lie)的(De)环(Huan)境(Jing)中(Zhong)长(Chang)期(Qi)保(Bao)持(Chi)稳(Wen)定(Ding)散(San)热(Re)。(?)由(You)于(Yu)聚(Ju)氨(An)酯(Zhi)发(Fa)泡(Pao)具(Ju)有(You)很(Hen)高(Gao)的(De)耐(Nai)酸(Suan)碱(Jian)性(Xing)和(He)较(Jiao)低(Di)抗(Kang)冲(Chong)击(Ji)性(Xing),(?)因(Yin)此(Ci)它(Ta)能(Neng)够(Gou)在(Zai)极(Ji)端(Duan)恶(E)劣(Lie)环(Huan)境(Jing)下(Xia)长(Chang)期(Qi)保(Bao)持(Chi)稳(Wen)定(Ding)散(San)热(Re)。(?)
天(Tian)水(Shui)预(Yu)制(Zhi)聚(Ju)氨(An)酯(Zhi)管(Guan)生(Sheng)产(Chan),聚(Ju)氨(An)脂(Zhi)管(Guan)的(De)应(Ying)用(Yong)主(Zhu)要(Yao)是(Shi)在(Zai)保(Bao)温(Wen)层(Ceng)材(Cai)料(Liao)中(Zhong)添(Tian)加(Jia)聚(Ju)氨(An)酯(Zhi)泡(Pao)沫(Mo),(?)并(Bing)将(Jiang)其(Qi)与(Yu)保(Bao)温(Wen)层(Ceng)材(Cai)料(Liao)混(Hun)合(He),(?)从(Cong)而(?)达(Da)到(Dao)防(Fang)止(Zhi)热(Re)胀(Zhang)冷(Leng)缩(Suo)的(De)目(Mu)的(De)。(?)这(Zhe)种(Zhong)保(Bao)温(Wen)管(Guan)泡(Pao)沫(Mo)具(Ju)有(You)优(You)良(Liang)的(De)抗(Kang)冲(Chong)击(Ji)、(?)耐(Nai)腐(Fu)蚀(Shi)性(Xing)能(Neng)和(He)高(Gao)强(Qiang)度(Du)、(?)高(Gao)密(Mi)度(Du)和(He)抗(Kang)静(Jing)电(Dian)等(Deng)特(Te)点(Dian)。(?)在(Zai)我(Wo)国(Guo),(?)目(Mu)前(Qian)已(Yi)有(You)多(Duo)家(Jia)公(Gong)司(Si)生(Sheng)产(Chan)或(Huo)销(Xiao)售(Shou)这(Zhe)种(Zhong)管(Guan)泡(Pao)沫(Mo)。(?)聚(Ju)氨(An)酯(Zhi)管(Guan)泡(Pao)沫(Mo)是(Shi)以(Yi)聚(Ju)醚(Mi)为(Wei)原(Yuan)料(Liao),(?)通(Tong)过(Guo)一(Yi)定(Ding)的(De)加(Jia)热(Re)、(?)加(Jia)压(Ya)、(?)压(Ya)缩(Suo)和(He)膨(Peng)胀(Zhang)等(Deng)工(Gong)艺(Yi)制(Zhi)成(Cheng)的(De)高(Gao)强(Qiang)度(Du)泡(Pao)沫(Mo)。(?)其(Qi)优(You)点(Dian)是(Shi)①(?)泡(Pao)沫(Mo)强(Qiang)度(Du)高(Gao),(?)能(Neng)有(You)效(Xiao)地(Di)降(Jiang)低(Di)温(Wen)室(Shi)气(Qi)体(Ti)的(De)排(Pai)放(Fang);(?)②(?)泡(Pao)沫(Mo)密(Mi)封(Feng)性(Xing)好(Hao),(?)能(Neng)使(Shi)管(Guan)壁(Bi)表(Biao)面(Mian)形(Xing)成(Cheng)一(Yi)层(Ceng)保(Bao)温(Wen)层(Ceng)。(?)这(Zhe)种(Zhong)管(Guan)泡(Pao)沫(Mo)具(Ju)有(You)耐(Nai)腐(Fu)蚀(Shi)性(Xing)能(Neng)和(He)良(Liang)好(Hao)抗(Kang)静(Jing)电(Dian)特(Te)性(Xing)。(?)在(Zai)防(Fang)水(Shui)涂(Tu)料(Liao)中(Zhong)可(Ke)用(Yong)于(Yu)防(Fang)水(Shui)涂(Tu)料(Liao)。(?)在(Zai)防(Fang)水(Shui)涂(Tu)料(Liao)中(Zhong)添(Tian)加(Jia)聚(Ju)醚(Mi)泡(Pao)沫(Mo),(?)可(Ke)使(Shi)涂(Tu)层(Ceng)表(Biao)面(Mian)形(Xing)成(Cheng)一(Yi)层(Ceng)保(Bao)温(Wen)层(Ceng)。(?)这(Zhe)种(Zhong)管(Guan)泡(Pao)沫(Mo)具(Ju)有(You)优(You)良(Liang)的(De)抗(Kang)冲(Chong)击(Ji)、(?)耐(Nai)腐(Fu)蚀(Shi)性(Xing)能(Neng)和(He)高(Gao)强(Qiang)度(Du),(?)适(Shi)用(Yong)于(Yu)高(Gao)密(Mi)度(Du)、(?)高(Gao)强(Qiang)度(Du)和(He)耐(Nai)水(Shui)性(Xing)涂(Tu)料(Liao)。(?)聚(Ju)氨(An)酯(Zhi)管(Guan)泡(Pao)沫(Mo)在(Zai)防(Fang)潮(Chao)性(Xing)能(Neng)方(Fang)面(Mian)也(Ye)是(Shi)优(You)异(Yi)的(De)。(?)在(Zai)防(Fang)水(Shui)涂(Tu)料(Liao)中(Zhong)添(Tian)加(Jia)聚(Ju)醚(Mi)泡(Pao)沫(Mo),(?)可(Ke)使(Shi)防(Fang)潮(Chao)效(Xiao)果(Guo)更(Geng)好(Hao)。(?)
聚(Ju)氨(An)酯(Zhi)直(Zhi)埋(Mai)保(Bao)温(Wen)管(Guan)厂(Chang)家(Jia),聚(Ju)氨(An)酯(Zhi)发(Fa)泡(Pao)体(Ti)与(Yu)保(Bao)温(Wen)管(Guan)的(De)配(Pei)比(Bi)要(Yao)求(Qiu)不(Bu)同(Tong),(?)聚(Ju)氨(An)酯(Zhi)发(Fa)泡(Pao)体(Ti)的(De)保(Bao)温(Wen)性(Xing)能(Neng)好(Hao)坏(Huai)与(Yu)保(Bao)温(Wen)管(Guan)的(De)密(Mi)度(Du)、(?)耐(Nai)热(Re)性(Xing)能(Neng)有(You)很(Hen)大(Da)关(Guan)系(Xi)。(?)因(Yin)此(Ci)在(Zai)施(Shi)工(Gong)时(Shi)要(Yao)注(Zhu)意(Yi)以(Yi)下(Xia)几(Ji)点(Dian)首(Shou)先(Xian),(?)应(Ying)尽(Jin)可(Ke)能(Neng)选(Xuan)用(Yong)高(Gao)强(Qiang)度(Du)聚(Ju)氨(An)酯(Zhi)发(Fa)泡(Pao)体(Ti)。(?)其(Qi)次(Ci),(?)选(Xuan)用(Yong)低(Di)强(Qiang)度(Du)聚(Ju)氨(An)脂(Zhi)。(?)***,(?)应(Ying)考(Kao)虑(Lu)到(Dao)管(Guan)道(Dao)结(Jie)构(Gou)复(Fu)杂(Za)。(?)如(Ru)果(Guo)管(Guan)道(Dao)内(Nei)部(Bu)结(Jie)构(Gou)复(Fu)杂(Za),(?)则(Ze)应(Ying)选(Xuan)用(Yong)低(Di)强(Qiang)度(Du)聚(Ju)氨(An)脂(Zhi)。(?)在(Zai)施(Shi)工(Gong)中(Zhong)应(Ying)尽(Jin)量(Liang)避(Bi)免(Mian)使(Shi)用(Yong)大(Da)型(Xing)管(Guan)材(Cai),(?)以(Yi)免(Mian)产(Chan)生(Sheng)破(Po)坏(Huai)性(Xing)气(Qi)味(Wei)。(?)在(Zai)施(Shi)工(Gong)过(Guo)程(Cheng)中(Zhong),(?)要(Yao)注(Zhu)意(Yi)保(Bao)护(Hu)管(Guan)道(Dao)的(De)安(An)全(Quan)性(Xing)。(?)***,(?)应(Ying)尽(Jin)可(Ke)能(Neng)选(Xuan)择(Ze)高(Gao)强(Qiang)度(Du)聚(Ju)氨(An)酯(Zhi)发(Fa)泡(Pao)体(Ti)。(?)由(You)于(Yu)聚(Ju)氨(An)酯(Zhi)发(Fa)泡(Pao)体(Ti)具(Ju)有(You)高(Gao)密(Mi)度(Du)、(?)低(Di)热(Re)阻(Zu)、(?)耐(Nai)腐(Fu)蚀(Shi)等(Deng)特(Te)点(Dian)。(?)
泡(Pao)沫(Mo)聚(Ju)氨(An)酯(Zhi)管(Guan)报(Bao)价(Jia),聚(Ju)氨(An)脂(Zhi)管(Guan)泡(Pao)沫(Mo)的(De)制(Zhi)作(Zuo)原(Yuan)理(Li)是(Shi)将(Jiang)聚(Ju)氨(An)酯(Zhi)管(Guan)泡(Pao)沫(Mo)塑(Su)料(Liao)与(Yu)钢(Gang)管(Guan)或(Huo)夹(Jia)具(Ju)组(Zu)合(He),(?)在(Zai)保(Bao)温(Wen)层(Ceng)中(Zhong)加(Jia)入(Ru)适(Shi)量(Liang)的(De)热(Re)能(Neng),(?)从(Cong)而(?)达(Da)到(Dao)保(Bao)温(Wen)效(Xiao)果(Guo)。(?)在(Zai)使(Shi)用(Yong)中(Zhong),(?)由(You)于(Yu)热(Re)能(Neng)通(Tong)过(Guo)管(Guan)壁(Bi)进(Jin)行(Xing)传(Chuan)递(Di)和(He)分(Fen)布(Bu),(?)并(Bing)与(Yu)夹(Jia)具(Ju)之(Zhi)间(Jian)形(Xing)成(Cheng)密(Mi)封(Feng)条(Tiao)件(Jian)。(?)如(Ru)果(Guo)使(Shi)用(Yong)了(Liao)聚(Ju)氨(An)脂(Zhi)保(Bao)温(Wen)泡(Pao)沫(Mo)塑(Su)料(Liao)或(Huo)夹(Jia)具(Ju),(?)则(Ze)其(Qi)结(Jie)构(Gou)可(Ke)以(Yi)完(Wan)全(Quan)改(Gai)变(Bian)。(?)但(Dan)如(Ru)果(Guo)使(Shi)用(Yong)了(Liao)聚(Ju)氨(An)酯(Zhi)泡(Pao)沫(Mo)塑(Su)料(Liao)或(Huo)夹(Jia)具(Ju)组(Zu)合(He),(?)其(Qi)结(Jie)构(Gou)就(Jiu)会(Hui)发(Fa)生(Sheng)变(Bian)化(Hua),(?)使(Shi)泡(Pao)沫(Mo)塑(Su)料(Liao)的(De)结(Jie)构(Gou)变(Bian)得(De)非(Fei)常(Chang)复(Fu)杂(Za)。(?)因(Yin)此(Ci),(?)在(Zai)聚(Ju)氨(An)脂(Zhi)管(Guan)泡(Pao)沫(Mo)管(Guan)材(Cai)中(Zhong)加(Jia)入(Ru)热(Re)能(Neng)是(Shi)十(Shi)分(Fen)必(Bi)要(Yao)和(He)迫(Po)切(Qie)的(De)。(?)聚(Ju)氨(An)脂(Zhi)管(Guan)道(Dao)的(De)热(Re)能(Neng)来(Lai)自(Zi)于(Yu)两(Liang)个(Ge)方(Fang)面(Mian)一(Yi)是(Shi)热(Re)能(Neng)通(Tong)过(Guo)管(Guan)壁(Bi)进(Jin)行(Xing)传(Chuan)递(Di)和(He)分(Fen)布(Bu);(?)二(?)是(Shi)热(Re)能(Neng)通(Tong)过(Guo)钢(Gang)管(Guan)或(Huo)夹(Jia)具(Ju)传(Chuan)递(Di)到(Dao)夹(Jia)具(Ju)上(Shang)。(?)因(Yin)为(Wei)热(Re)能(Neng)通(Tong)过(Guo)管(Guan)壁(Bi)传(Chuan)递(Di)到(Dao)夹(Jia)具(Ju)上(Shang)后(Hou),(?)由(You)于(Yu)钢(Gang)管(Guan)的(De)强(Qiang)度(Du)和(He)韧(Ren)性(Xing)都(Du)不(Bu)会(Hui)变(Bian)化(Hua),(?)所(Suo)以(Yi)热(Re)能(Neng)传(Chuan)递(Di)到(Dao)夹(Jia)具(Ju)上(Shang)就(Jiu)会(Hui)发(Fa)生(Sheng)变(Bian)化(Hua)。(?)这(Zhe)时(Shi),(?)热(Re)能(Neng)就(Jiu)会(Hui)通(Tong)过(Guo)管(Guan)壁(Bi)传(Chuan)递(Di)出(Chu)来(Lai)。(?)当(Dang)管(Guan)子(Zi)与(Yu)夹(Jia)具(Ju)之(Zhi)间(Jian)形(Xing)成(Cheng)了(Liao)一(Yi)定(Ding)的(De)密(Mi)封(Feng)条(Tiao)件(Jian)时(Shi),(?)就(Jiu)需(Xu)要(Yao)使(Shi)用(Yong)聚(Ju)氨(An)脂(Zhi)泡(Pao)沫(Mo)塑(Su)料(Liao)或(Huo)夹(Jia)具(Ju)组(Zu)合(He)。(?)在(Zai)保(Bao)温(Wen)层(Ceng)中(Zhong)加(Jia)入(Ru)适(Shi)量(Liang)的(De)热(Re)能(Neng)可(Ke)以(Yi)达(Da)到(Dao)保(Bao)温(Wen)效(Xiao)果(Guo)。(?)
保(Bao)温(Wen)材(Cai)料(Liao)
- 挤(Ji)塑(Su)板(Ban)
- 岩(Yan)棉(Mian)板(Ban)
- 外(Wai)墙(Qiang)保(Bao)温(Wen)砂(Sha)浆(Jiang)
- 网(Wang)格(Ge)布(Bu)
- 保(Bao)温(Wen)钉(Ding)
- 岩(Yan)棉(Mian)板(Ban)托(Tuo)架(Jia)
- 硅(Gui)铝(Lu)基(Ji)保(Bao)温(Wen)板(Ban)
- 真(Zhen)金(Jin)板(Ban)
- 硅(Gui)酸(Suan)铝(Lu)
- 岩(Yan)棉(Mian)管(Guan)
- 聚(Ju)氨(An)酯(Zhi)板(Ban)
- 聚(Ju)氨(An)酯(Zhi)管(Guan)
- 聚(Ju)苯(Ben)板(Ban)
- 水(Shui)泥(Ni)发(Fa)泡(Pao)
- 玻(Bo)璃(Li)棉(Mian)制(Zhi)品(Pin)
- 聚(Ju)氨(An)酯(Zhi)制(Zhi)品(Pin)
- 防(Fang)水(Shui)材(Cai)料(Liao)
- 橡(Xiang)塑(Su)制(Zhi)品(Pin)
保(Bao)温(Wen)材(Cai)料(Liao)
- 挤(Ji)塑(Su)板(Ban)
- 岩(Yan)棉(Mian)板(Ban)
- 外(Wai)墙(Qiang)保(Bao)温(Wen)砂(Sha)浆(Jiang)
- 网(Wang)格(Ge)布(Bu)
- 保(Bao)温(Wen)钉(Ding)
- 岩(Yan)棉(Mian)板(Ban)托(Tuo)架(Jia)
- 硅(Gui)铝(Lu)基(Ji)保(Bao)温(Wen)板(Ban)
- 真(Zhen)金(Jin)板(Ban)
- 硅(Gui)酸(Suan)铝(Lu)
- 岩(Yan)棉(Mian)管(Guan)
- 聚(Ju)氨(An)酯(Zhi)板(Ban)
- 聚(Ju)氨(An)酯(Zhi)管(Guan)
- 聚(Ju)苯(Ben)板(Ban)
- 水(Shui)泥(Ni)发(Fa)泡(Pao)
- 玻(Bo)璃(Li)棉(Mian)制(Zhi)品(Pin)
- 聚(Ju)氨(An)酯(Zhi)制(Zhi)品(Pin)
- 防(Fang)水(Shui)材(Cai)料(Liao)
- 橡(Xiang)塑(Su)制(Zhi)品(Pin)
挤(Ji)塑(Su)板(Ban)知(Zhi)识(Shi)
- 甘(Gan)肃(Su)外(Wai)墙(Qiang)保(Bao)温(Wen)砂(Sha)浆(Jiang)的(De)性(Xing)能(Neng)特(Te)点(Dian)有(You)哪(Na)些(Xie)你(Ni)知(Zhi)道(Dao)么(Me)?(?)
- 兰(Lan)州(Zhou)xps挤(Ji)塑(Su)板(Ban)能(Neng)够(Gou)满(Man)足(Zu)你(Ni)的(De)建(Jian)筑(Zhu)保(Bao)温(Wen)需(Xu)求(Qiu)
- 甘(Gan)肃(Su)挤(Ji)塑(Su)板(Ban)在(Zai)地(Di)下(Xia)室(Shi)保(Bao)温(Wen)防(Fang)潮(Chao)中(Zhong)的(De)应(Ying)用(Yong)
- 解(Jie)决(Jue)甘(Gan)肃(Su)岩(Yan)棉(Mian)板(Ban)在(Zai)外(Wai)墙(Qiang)中(Zhong)脱(Tuo)落(Luo)的(De)问(Wen)题(Ti)
- 选(Xuan)择(Ze)兰(Lan)州(Zhou)挤(Ji)塑(Su)板(Ban)时(Shi),(?)这(Zhe)几(Ji)点(Dian)要(Yao)注(Zhu)意(Yi)