正确答案: D

The ship is in position

题目：When does a pilot say “ Make all lines fast”? ________

解析：D

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举一反三的答案和解析：

[单选题]The correct procedure for giving an auxiliary boiler a bottom blow, is to begin .

when the boiler has been secured long enough for most solids to settle

[单选题]可以作为船舶热能利用效率的综合性标准的是( )。

船舶能量利用效率

[单选题]麻痹性肠梗阻时肠鸣音______。

减弱或消失

[单选题]In an operating diesel engine, which of the following conditions is an indication of a leaking air starting valve?

Overheated starting air pipe to the cylinder head