Ipayipi lensimbi yensimbi esobala ye-PVC yamukela into yakamuva eqinisiwe ye-PVC, enokumelana nokucindezela okungcono kanye nobulukhuni, futhi ingashintsha amapayipi enjoloba ajwayelekile, amapayipi e-PE namanye amapayipi ensimbi.Lo mkhiqizo usetshenziswa kakhulu kumakhemikhali, ezokuvikela, ezokukhiqiza nezinye izimboni, futhi usu ...
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