正确答案: C

draft

题目：The depth of the ship below the waterline measured vertically to the lowest part of the hull is called

解析：C

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举一反三的答案和解析：

[单选题]Diesel engines are started by supplying_____into the cylinders in the appropriate sequence for the required direction.

compressed air

[单选题]机舱沾油的棉纱，因堆放不善，易产生_________。

本身自燃。

[单选题]难船为直升机显示吊运区位置的标注是：

白色H

[单选题]救生艇的乘员定额应不超过：

150人