Example valves would include a shut-off valve for an economizer cycle, an unloader valve, or a suction modulation valve.
作为示例的阀可包括经济器循环的断流阀、卸荷器阀或吸入调节阀。
Vacuum partial pressure control system is composed of computer system, vacuum modulation valve and partial pressure pump, of which the valve is one of key parts of the equipment.
真空偏压控制系统由计算机系统、真空调节阀、真空偏压泵等部件构成，其中真空调节阀是设备的关键部件之一。
The generalized pulse code modulation (GPCM) control valve is a type of combination valve, and each flow control unit is connected together by mono-block.
广义脉码调制（GPCM）控制阀是一种组合型式的阀，组成的各基元通过液压集成块连接到一起。
Structure of liquid crystal modulation, principle of modulation of liquid crystal valve and merit of liquid crystal modulation in using were introduced.
介绍了液晶调制器的结构、对辐射调制的原理以及在使用过程中的优点。
One of the key problems of designing the control valve of modulation rotary steering drilling tool is the design of high pressure hole of upside valve.
设计调制式旋转导向钻井工具控制阀的关键问题之一是上盘阀高压孔的设计。
The average flux of the PWM high-speed on-off valve are regulated by the Pulse-Width Modulation theory and it is easy to combine the computer and hydraulic control technology.
高速开关阀采用脉宽调制(PWM)原理来控制其平均流量，极易实现计算机控制技术和液压技术的有机结合。
Motor OPERATED valve, a valve using an electric motor for opening, closing and modulation.
马达操作活门，用电马达来开，关和调制的活门。
Duty cycles greater than 25% are generally needed only when additional work loads are encountered, such as valve modulation or in actuation of larger butterfly valves.
通常只有当遇到需要额外工作负载时，工作循环才会大于25%，如阀门处于节流状态或驱动大型蝶阀的应用场合。
Duty cycles greater than 25% are generally needed only when additional work loads are encountered, such as valve modulation or in actuation of larger butterfly valves.
通常只有当遇到需要额外工作负载时，工作循环才会大于25%，如阀门处于节流状态或驱动大型蝶阀的应用场合。
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