A non-return valve in the air delivery line near to the compressor must be （）type similar to the compressor discharge valve.<br>A:the low inertia<br>B:the high inertia<br>C:the low velocity<br>D:the high velocity

A non-return valve in the air delivery line near to the compressor must be （）type similar to the compressor discharge valve.
A:the low inertia
B:the high inertia
C:the low velocity
D:the high velocity

出自：海船船员证

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