Regulations require that cargo pumps in tankers carrying grade D liquid cargo shall be isolatedfrom sources of vapor ignition by（）.<br>A:cofferdams<br>B:gastight bulkheads<br>C:passageways or living quarters<br>D:general cargo spaces

Regulations require that cargo pumps in tankers carrying grade D liquid cargo shall be isolatedfrom sources of vapor ignition by（）.
A:cofferdams
B:gastight bulkheads
C:passageways or living quarters
D:general cargo spaces

出自：海船船员证

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