Checking of the solenoid valve of injectors.
共轨喷油器高频电磁阀性能检验。
Regular cleaning and checking of thermostat assembly helps to maximize valve life and mixing function.
温度调节装置的定期清洗和检查有助于最大可能延长阀门的使用寿命和提高混合性能。
An auto on line safety valve checking and adjustment system is developed to solve the problems of poor degree of accuracy and slow speedy that exists in the man made system.
针对现行人工在线校验安全阀存在的校验准确度差、速度慢等问题，研制了自动在线安全阀校验整定系统。
The theoretical basis of checking the internal leakage flowrate of relief valve by pneumatic measuring instrument was put forward.
提出应用气动量仪检测溢流阀液体泄漏量的理论依据。
Regular operation: When the valve works infrequently, it should drive the machine regularly, checking abnormality or not.
定期运转：在阀门的动作很稀少时，可以定期驱动机器，检查有无异常。
The valve has the four functions of flow measure, flow checking, recirculating control and multistage pressure reducing.
该阀门有四个功能：流量测量、止回、再循环控制和多级降压。
Field use proves the check valve can prevent effectively sand plugging and extend distinctly the pump checking period.
现场试验证明，电潜泵防堵单流阀能够防止砂堵单流阀，提高开机成功率，显著延长电潜泵检泵周期。
Before feeding water, air vent valves, pressure gauge valve, water level gauge, burner supply valve and steam supply valve should be opened fully. Other valves and checking manhole close.
上水时，空气阀、压力表阀及水位计通汽通水阀开足，其他阀门和检查门无孔门应一律关闭。
Before feeding water, air vent valves, pressure gauge valve, water level gauge, burner supply valve and steam supply valve should be opened fully. Other valves and checking manhole close.
上水时，空气阀、压力表阀及水位计通汽通水阀开足，其他阀门和检查门无孔门应一律关闭。
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