阀性能 meaning in Chinese

valve performance

Recommended practice for gas lift valve performance testing
气举阀性能试验方法
Test method for performance testing of excess flow valves
溢流阀性能试验的试验方法
My subject is to raise the testing efficiency
本设计目的为提高伺服阀性能测试效率。
Research on a straight - through diaphragm valve
直通式脉冲阀性能试验研究
Standard test method for performance testing of excess flow valves
溢流阀性能测试标准试验方法

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