大部分的現型口罩很難密合於鼻梁處,鬆緊帶一般都是太鬆戴不牢;或(huo)是(shi)太(tai)緊(jin),造(zao)成(cheng)耳(er)背(bei)疼(teng)痛(tong),甚(shen)者(zhe)過(guo)敏(min)。更(geng)且(qie),近(jin)年(nian)來(lai)的(de)環(huan)保(bao)意(yi)識(shi),不(bu)再(zai)容(rong)許(xu)這(zhe)些(xie)龐(pang)大(da)數(shu)量(liang)拋(pao)棄(qi)性(xing)口(kou)罩(zhao)的(de)橡(xiang)膠(jiao)質(zhi)鬆(song)緊(jin)帶(dai),在(zai)焚(fen)燒(shao)所(suo)產(chan)生(sheng)的(de)大(da)量(liang)戴(dai)奧(ao)辛(xin)毒(du)氣(qi)。 xinxingmiansongjindaikouzhao,wanquangemingchuantongpingmiankouzhaodequedian,liyongerdaibumianshensuo,yijiyiyanbiliangdelitizaoxing,keyifutieyoujinmidezhaofukoubi,dadaoqueshideguolvhefanghuxiaoguo,guaergengbuhuixiangqianglisongjindailatongerbei,erqiekewanjianhuishouhuofenshaobuchanshengduqi。
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