... 其他阀门 Other valves, nes 龙头、旋塞及类似装置 Taps, cocks & similar appliances for pipes, boiler 阀门零件 Parts of valves ...
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When a Navy vessel is being built the ship yard doing the construction must apply to the Parts Control Center to CID Numbers on all valves before the Navy will accept delivery of the vessel.
当海军船舶建造后，造船厂所建造的船的结构中的阀门必须符合配件调配中心的cid编号，否则海军将不会接受这艘船舶。
Pressure relief devices are integral parts of the cylinder valves.
它们是钢瓶阀门整体的一个组成部分。
The other parts of the system where maintenance is required are the diaphragm valves. Under normal condition, the valve's diaphragm should be replaced every two years.
系统的其它部分的维护如隔膜阀的维护也是必须的。在正常条件下，阀的隔膜每两年需要更换一次。
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