The cut-off valve type, the internal leakage is not allowed.

对于截断阀类来说，内漏是不允许的。

youdao

The dynamic equation of valve type orifice system of confined piston internal combustion pump was built.

提出约束活塞型内燃式水泵的概念并阐述其工作原理，建立了阀式配流系统的动力模型。

youdao

Then, patients in need of AVR and their physicians will have excellent evidence to decide which valve type to implant.

那么，需要主动脉瓣置换的病人和他们的医生将有很好的证据来决定植入哪种瓣膜。

youdao

These valves use a screw type valve instead of a simple flap, and they have a pressure regulating mechanism that will vent water to the ground if the intake pressure exceeds a set level.

FORBES: What Do All The Controls On A Fire Engine Truck Do?

Another type of tissue valve replacement that uses your own pulmonary valve (autograft) is sometimes possible.

CNN: Aortic valve regurgitation