Valve actuation utilizes a mechanical power device, an actuator, to operate a valve.
阀门执行机构是一种采用机械力的设备，一台执行机构操作一个阀门。
A light tap on a smooth surface or the proximity of a hand replaces physical actuation of a mechanical switch.
在光滑表面上轻轻一触，或者用手靠近一下，就能代替机械开关的物理传动。
A kind of electromagnetic actuation optical switch is designed based on the high performance of polyimide (PI) in mechanical character, insulation and heat-resistant.
利用聚酰亚胺(PI)优良的机械、绝缘、耐热等性能，设计出基于PI膜的磁控光开关。
TURCK offers functional accessories and actuation components, mounting accessories for simple and safe mounting as well as protective devices, eg for protection against mechanical destruction.
图尔克提供简单，安装以及安全保护装置功能配件和驱动部件，安装配件，如对机械破坏保护。
The permanent magnet actuator, as the new operation system of vacuum circuit breakers, is the key to the transformation from mechanical actuation to electronic actuation.
永磁操动机构是新一代真空断路器的操作系统，是由机械操动向电子操动转变的关键。
Based on the mechanical and aerodynamic methods of shock wave control, a method of plasma aerodynamic actuation is proposed.
在机械式和气动式激波控制方法的基础上，提出了激波控制的等离子体气动激励方法。
Based on the mechanical and aerodynamic methods of shock wave control, a method of plasma aerodynamic actuation is proposed.
在机械式和气动式激波控制方法的基础上，提出了激波控制的等离子体气动激励方法。
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