...ontrol valve(控制阀) brass valve(黄铜阀门) water valve(水阀门) globe valve(球阀) gas valve(气阀门) check valve(检查阀门) solenoid valve(螺线管) butterfly valve(蝶阀) gate valve(闸阀) ball valve(球阀) valve(阀门) 注：上表所列数据引用日期08-0...
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清洁泵体，检查阀门是否附着有泥沙。
请检查阀门是否良好。
在1988年7月6号，作为日常保养的一部分，技术人员检查阀门的安全，这在预防液态气体的危险中尤为重要。
On July 6, 1988, as part of routine maintenance, technicians removed and checked safety valves which were essential in preventing dangerous build-up of liquid gas.
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