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.<br>A:with dirty water<br>B:with clean water<br>C:by oily water<br>D:by mixed water

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.
A:with dirty water
B:with clean water
C:by oily water
D:by mixed water

出自：海船船员证

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