valve-switching mechanism

Mechanically actuated exhaust valve mechanism mobile emissions test laboratory

机械式排气阀传动机械排气有害物流动试验室

The external nozzle mechanism comprises a three-way valve for connecting the tail end of the steam outlet pipeline, a beverage straw and a nozzle respectively.

外置式喷嘴机构包括三通阀，分别连接三通管的一端、饮料管和喷嘴。

An Analysis and Study of a Valve Variable Timing Mechanism in Engine

一种发动机可变定时配气机构的分析和研究

The characteristics of different relief valve structures for alkaline nickel-cadmium rechargeable battery were discussed based on the analysis of current forming mechanism, design and test of cylindrical sealed nickel-cadmium batteries. The result of discussion could give a reference to other new type sealed batteries.

本文通过对镉镍电池成流反应机理的分析，在设计计算和实验基础上，综合了当前密封型镉镍蓄电池各种安全阀结构特点，并加以讨论，以供设计新型密封电池时参考。

The high temperature self-lubricating valve actuating mechanism is the key part of an engineering engine. The Qi ( vital energy)

高温自润滑配气阀座是某工程发动机的关键部件。