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。
When a Navy vessel is being built, the ship yard doing the construction must apply to the Parts Control Center for 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。
Underwater GPS positioning system includes four parts which are GPS differential reference station, GPS buoy subsystem, underwater pinger, ship-based data processing and control center.
差分gps水下立体定位系统包括GPS差分基准站、GPS浮标、水下收发机、船基控制中心四部分。
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