... primary①最初的,一次的,原始的②基本的,初级的,第一级的③主要的 primary air(进气系统)主空气 primary brake shoe领蹄,助势蹄 ...
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主空气压缩机的充气试验,安全阀和自动装置的调整。
Charging test and safety valve and automatic device adjusting for main compressor.
主空气瓶(制空气瓶、笛空气瓶)船后气密试验和安全阀的调整。
Air tightness test and safety valve adjusting for main air receiver (control air receiver, air horn receiver) on board.
任一主空气瓶内压力为0。应急空气瓶内压力为0。主机起动空气管内压力为0。
Any a main air bottle pressure is 0 MPa. Emergency air bottle pressure is also 0 MPa as well as starting art pipe of M/G.
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