Here is a way to prevent underground oil storage tank from permeation of water, in which glass steel and polyvinylchloridefilm are used to serve as damp-proof lining.
本文介绍了地下储油库渗漏水的防治方法，并选用了玻璃钢及聚氯乙烯塑料薄膜制作罐室防水防潮衬套。
2
This paper summarizes the mechanical properties of a variety of polyvinylchloride, the difference of ageing resistant performance and the influence on quality of film products.
文中介绍了不同型号聚氯乙烯的力学性能、耐老化性能的差别，及其对薄膜制品质量造成的影响。
3
Process of copper autocatalytic plating on ABS plastic, polyvinylchloride, polyester film have been studied in this investigation.