充液阀 meaning in Chinese

prefill valve
replenishing valve
surge check valve

Principle and design keys of a flange type filling valve have been introduced with methods of installation and use as well as issues deserved notice
摘要介绍了法兰连接式充液阀的原理和设计要点，并介绍了安装使用的方法及应注意的问题。
For the fault of prefill valve occurred in hydraulic system of 50mn trimming press , the causes have been analyzed and eliminating measures put forward
摘要分析了50mn切边液压机充液阀脱落、断裂失效的过程和原因，提出了相应的解决措施和充液阀设计应注意的问题。