橡胶膜 meaning in Chinese

film of rubber
rubber diaphragm

Import / source ： rubber molded parts , hydraulic oil hose , brass fittings for hydraulic hose , rubber molded wrist bands , gaskets , and seals for elastomerics
进口：橡胶膜制品，液压油管，水力制动用软管黄铜配件，橡胶手链，垫圈，人造橡胶封条。
In this paper , the rules of oxygen transfer with the immersion depth in operating of rubber film fine bubble aerator are described and also their mechanism was found out
阐述了橡胶膜曝气器的充氧性能各项指标随水深增加的变化规律，并分析了这种变化的原因。