... valve acceleration 气门加速度; 阀加速度 valve action 阀作用; 活门作用 valve actuating gear 活门执行机构; 气门传动机构 ...
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作用导阀 application pilot valve
作用阀 application valve ; Operating valve
制动作用阀 brake application valve
离合器作用阀 clutch application valve
紧急作用阀 emergency application valve
预作用阀 preaction valve
快速作用阀 snap action valve ; fast-acting valve
压差作用阀 differential displacing valve
下作用水阀 under lever faucet ; bottom operating water valve ; nuder level faucet
型管柱中的生产堵塞器具有单流阀作用，可方便进行反循环洗井；
The procreative blanking plug of the "Y type" pipe string has check valve function and it can conveniently for reverse circulation well cleanup.
由于先导卸荷阀5内的单向阀作用，可以实现系统保压而油泵卸荷。
The pilot unloading valve 5 of the one-way valve can be achieved system-pressure pump and unloading.
同时，畅通的公共媒介系统还发挥着社会稳定的安全阀作用，带来社会稳定和公共安全。
Meanwhile, smooth public media system plays an important role of safety valve in the stabilization and security of society.
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