[单选题]______标志着可燃物质的易燃、易爆程度。

正确答案 ：C

燃点

[单选题]抛放海锚操作的主要技术要点是( )。

正确答案 ：A

操艇首处于顶风顶浪状态，从艇首抛放出海锚，绳索松放合适的长度后系牢

[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

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