检查逆止阀的弹簧。
Check valve and relief valve on the output of the gear pump tube had better install a check valve.
止回阀与安全阀在齿轮泵的输出管路上最好安装一个止回阀。
Check the valve parts before installation. Open and close the valve by hand for a period check the open-close position of the valve gate.
检查阀门各部位是否有松动现象，对阀门进行手动开启、关闭一个周期是否有异常现象，同时检查阀门的启闭位置是否准确。
The in-line spring-actuated lift check also is referred to as the "silent check" because the spring closes the valve before gravity and fluid reversal can slam the valve closed.
由于这种止回阀能够在重力和介质倒流撞击启闭件之前关闭阀门，因此这种直通弹簧驱动升降式止回阀也称为“静音”止回阀。
The role of the check valve to prevent water backflow, with the film door, also do not need a check valve.
逆止阀的作用是防止水倒流，有了拍门后，也就不需要逆止阀了。
When reassembling the check valves, make sure you install the correct spring into the correct check valve.
在重新组装止回阀时，要确保将正确的弹簧安装在正确的止回阀上。
Check the equipment controlling circuit and clean the contacting places. Check the pressure and valve, and if the pneumatic controller is working normally.
检查电器控制线路并清洁其接触点，查看各气压，气阀；气动控制器是否正常。
Using an appropriate sized wrench, loosen the check valve cover. Unscrew the check valve cover and lift it off.
采用尺寸大小适中的扳手松开止回阀阀盖。宁松止回阀阀盖并将其取出来。
Using an appropriate sized wrench, loosen the check valve cover. Unscrew the check valve cover and lift off.
采用大小适中的扳手，松开止回阀盖。旋下止回阀盖螺丝并拿起。
The control valve comprises an oil nozzle and a check valve. The check valve comprises a valve ball and a valve seat.
本控制阀包括油嘴和单流阀，单流阀包括阀球和阀座。
The Tubing Check Valve is a three-piece construction check valve designed for use with straight metal tube.
管件止回阀是为直流金属管线设计的三段式结构止回阀。
For fluid dynamics parameters, media properties of check valve performance relationship in China, in order to promote the drill string check valve research theory and technology progress.
寻求流体动力学参数、介质性质对止回阀性能的影响关系，以推进我国钻柱止回阀研究理论和技术进步。
The check valve comprises a resilient disc held in place and biased closed by the tensile stress of the check valve material.
该止回阀包括被止回阀材料的张应力保持到位并且偏压成被关闭的弹性圆盘。
Add the resistance in the outlet to lower the capacity. Check the resistance in the suction pipe of pump. Check the bottom valve and lower the high of suction position.
增加出水管阻力以减低流量，检查泵吸水管内阻力，检查底阀减小吸水高度。
Add the resistance in the outlet to lower the capacity. Check the resistance in the suction pipe of pump. Check the bottom valve and lower the high of suction position.
增加出水管阻力以减低流量，检查泵吸水管内阻力，检查底阀减小吸水高度。
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