Bisphenol A. Also called BPA, it's used to make shatter-proof plastic known as polycarbonate, found in everything from water bottles to medical devices to the lining of food packaging.
双酚a，也称BPA，用来生产防碎塑料，工业上又叫作聚碳酸酯。BPA无处不在，从矿泉水瓶、医疗器械到及食品包装的内里，都有它的身影。
Here is a way to prevent underground oil storage tank from permeation of water, in which glass steel and polyvinyl chloride film 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。
The lining support commonly used in practice is poorly water proof, short life and needs constant maintenance, so it seriously interferes with the production of underground mine.
常规的干砌料石支护，隔水性能差、寿命短、维修量大，严重地影响生产。
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