surface protective films

• 保护膜

surface protective films的用法和样例：

例句

1. One kind of decomposable plastic film and protective film of high wet food is attained.
   从而得到可用于高湿食品保护膜或作为可降解塑料膜。
2. Before the protected film come into being,stop using is disadvantage or can cause sediment.
   在铜合金未形成保护膜的情况下，停用是十分不利的或者是产生沉淀腐蚀。