您要查找的是不是：
- main valve spring 主阀簧
- Remove valve spring and retainer. 拆卸阀弹簧和扣件。
- CAUTION: The check valve spring is in compression. 警告：止回阀弹簧处于压缩状态。
- SPECIFY: Energized to open or energized to close main valve. 具体说明:通电后开启还是通电后关闭主阀。
- He checked the flow of water by shutting off the main valve. 通过关上主阀他中断了水流。
- For removal of valve stem seal and lower valve spring guide. 可用于拆卸汽门油封或降低汽门弹簧。
- Due to the release of pressure when removing the cover, the relief valve spring may eject quickly. 因为在拆卸阀盖时松开压力，安全阀弹簧可能会快速弹出来。
- The main valve and pilot system can be serviced without removing the valve from the line. 不需要从管线上拆卸阀门,就可以对主阀和引导系统进行维修。
- While unscrewing the injector button head, a second wrench must be used to assure that the injector body is not loosened from the main valve. 在拧松注入器圆头螺栓时，要用第二个扳手固定住注入器，防止其从主阀门上松落下来。
- Multi - purposed optimal design of reliability for valve spring based on fuzzy method. 基于模糊学方法的气门弹簧可靠性多目标优化设计。
- The high capacity accelerator assures quick valve response to the solenoid signal regardless of the main valve size. 这种高性能加速器确保阀门能够迅速反应电磁阀信号，而与主阀通径无关。
- Remove the relief valve cover, stem/diaphragm assembly, and relief valve spring. 拆卸安全阀阀盖，阀杆/隔膜总成，和安全阀弹簧。
- Supply power to sootblower, push down start button, the main valve will open and close automatically. 对电动机、行程开关应有保护装置。经过载能自动跳阀，并向主控制室报警。
- The main valve spindle incorporates an inner spindle for double regulation memory stop and valve position setting. 主阀轴配置一个内轴，适用于双重调节止动记忆和阀门位置设置。
- Install a dial indicator so plunger contacts valve spring retainer as nearly perpendicular as possiblZero the indicator. 安装一个表盘式指示器，使柱塞与气门弹簧护圈尽可能垂直。将指示器调零。
- Where service conditions warrant larger-than-standard by-passes, it is recommended that the installation of the by-passes be around the main valve. 在应用条件允许安装较大的旁路的地方,建议旁路的安装要环绕着主阀门。
- Check whether or not the fuel injection pump plunger and fuel outlet valve is worn or clogged, plunger spring and fuel outlet valve spring is broke. 喷油泵柱塞及出油阀是否磨损或卡死、柱塞弹簧及出油阀弹簧是否折断；
- General requirements to the procedure design: 1. Supply power to sootblower, push down start button, the main valve will open and close automatically. 对程序控制设计的一般要求是:1、接通线路电源开关,电源开启后,只需按起动按钮,吹灰管道的总阀即以自动开启、关闭;各吹灰器能按固定程序或选择程序一个个地或成组顺序动作,进行吹灰;吹灰结束后,总阀能自动关闭。
- Then, pneumatic valve spring made from this spring steel wire have been treated by this investigation of liquid tufftriding process. 然后 ,用以对此规格的钢丝制造的气阀弹簧进行了低温液体软氮化处理。
- For snap action, the main valve opens rapidly at set pressure and achieves rated relieving capacity at relieving pressure. 对于快动式先导器，主阀门在达到设定压力时快速打开并且在泄放压力时达到额定排放量。
