在人工手动操作阀杆时，如果水路畅通，热水会排泄出来。
When the lever is operated, Hot water will discharge if the waterways are clear.
所有的流体系统将用空气进行操作运行，以对管路系统中的所有泄露情况进行检查，液压缸和阀同样也要进行手动操作。
All fluid systems should be operated and air removed from systems and checked all leaks in piping systems. Cylinders and valves also should be operated manually.
该控制系统能实现造气工段的自动运行、手动操作、阀位自动检测、自动报警和紧急停炉等功能。
The control system serves many functions of auto-operation, manual operation, auto-test valves, autoalarm and emergency stop.
每年至少手动操作降温减压安全阀一次，以确认是否工作正常。
Manually operate the temperature and pressure relief valve at least once a year to make sure it is working properly.
另外，本发明还提供一种检测方法，该方法在具有上述手动操作装置的电动导向阀发生故障时，能检查导向阀的故障原因。
In addition, the invention further provides a detection method capable of detecting error reason of the pilot valve when the manual operation device for electric pilot valve breaks down.
微电脑自动控制电动排渣阀，根据杂质含量可任意设置过滤周期和排渣时间，全自动操作，同时还设置了备用的手动切换功能。
The filtration cycle and slag discharge time of dumping dregs valve is controlled by microcomputer automatically according to impurity content, and it has reserve manual switching function.
柴油机上的主启动阀可以手动和电控操作。
The master starting valve, built on the engine, can be operatedboth manually and electrically.
柴油机上的主启动阀可以手动和电控操作。
The master starting valve, built on the engine, can be operatedboth manually and electrically.
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