其他其他其他2007年第2期海船船员适任证书全国统考试题(总第43期)
题目内容

When started, a complete oily water separating unit is first filled______. The oily water mixture is then pumped through the inlet pipe into the coarse separating compartment.

2024-07-09

A.with dirty water

B.with clean water

C.by oily water

D.by mixed water

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