[单选题]The officer in charge of the engineering watch shall ensure that all machinery involved with the maneuvering of the ship can immediately be placed in the __ of operation when notified that the ship is in congested waters.

正确答案 ：A

manual mode

[单选题]在开敞式港内停泊时，留船值班人员不得少于全船船员的：()

正确答案 ：C

2/3

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