The loss of （） from an air compressor could lead to an overheated air discharge and possibly an explosion in the pipelines leading to the air reservoir.<br>A:lubricating oil<br>B:compressed air<br>C:cooling water<br>D:sealing ring

The loss of （） from an air compressor could lead to an overheated air discharge and possibly an explosion in the pipelines leading to the air reservoir.
A:lubricating oil
B:compressed air
C:cooling water
D:sealing ring

出自：海船船员证

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