The second step is to select the closure may be required to meet the speed of the check valve type.
第二步是选择可能满足所需要的关闭速度的止回阀类型。
The concrete pump pumping out of step the reason of is analyzed, and through fitting gas valve, the question is settled.
分析了混凝土输送泵泵送不同步产生原因，通过安装排气阀解决该问题。
The thesis studies mainly the drive and control technique of aeronautic linear DC step motor(LDCSM) used in emergency discharging oil valve on airplane.
本文针对“十五”航空基金项目—新型航空用直线直流电动机驱动控制系统，研究了飞机应急放油阀用航空直线步进电动机的驱动控制技术。
The self-holding of a motor pole and the magnet rotor of the step motor can ensure the stable working situation, which reduces the energy consumption of the valve.
工作状态切换后可以停止通电，电机磁极与步进电机磁转子自保持可保证工作状态稳定，降低了阀自身的能耗。
AT89C2051 single chip microcomputer is used as its control, step motor is used as electro mechanical transformer and eccentric wheel mechanism is used as mechanical transformer in this valve.
该阀采用AT 89C2 0 5 1单片微机作控制器，步进电动机作电-机械转换器旋转，偏心轮机构作机械转换器。
Step 5: From this point draw a horizontal line until you intersect with the line corresponding to the valve size as selected in step 3.
步骤5：从这一点划水平线与步骤3选择的阀门通径相应的线相交。
The conveyer belt adopts the CST step driver control, and the realization of the soft-startup and power balance depends on the proportional valve and control system.
带式输送机采用CST多级驱动控制，通过比例阀及控制系统实现软起动与功率平衡。
A step on the stem has now been back-seated against the upper portion of the valve body.
阀杆上的台阶现在已经坐落在阀体的上面部分上。
The new findings "go far beyond the fact that 24 ill patients received valve-in-valve replacement. They focus on the next step in the therapy of valvular heart disease," he writes.
这些新发现超越了24例患者接受“瓣中瓣”移植的事件本身，他们致力于心脏瓣膜疾病治疗的新进展，他写道。
The United States VTON Granville shield imported pneumatic multi-stage step-down regulator valve, using the sleeve guide, pressure balanced valve.
美国VTON威盾进口气动多级式降压调节阀，采用套筒导向，压力平衡式阀芯。
The principles and applications of adjusting valve clearance by four-step method are presented in this paper.
介绍了发动机气门间隙四次调整法的原理与应用实例。
Driven by step motor, the metering valve can be used as fuel actuator in missile turbojet FADEC Full Autrority Digital Electronic...
燃油计量装置可用于弹用喷气发动机全权限数字电子控制系统。
Driven by step motor, the metering valve can be used as fuel actuator in missile turbojet FADEC Full Autrority Digital Electronic...
燃油计量装置可用于弹用喷气发动机全权限数字电子控制系统。
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