The interior paint is high high-performance hot glue , which may be collocated to the spiracle for air charging test .
内涂高性能热熔胶，可配用于充气检测的气门；
The air braking simulation software is used to analyze the initial charging test process of the 120 valves on the 705 test stand and the 120 valve test stand.
利用空气制动仿真软件仿真分析了120阀在705试验台和120阀试验台上的初充气试验过程。
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