正确答案: A
chief engineer
题目:During the dock repair, when installing the tail shaft and propeller, _____ should be on the spot for supervising
解析:A
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举一反三的答案和解析:
[单选题]船舶在不利纵倾并向一舷横倾多少度时,应能将载足全部乘员定额及属具的救生艇降落到水面:
15°
[单选题]有关避免碰撞的行动,下列说法正确的是:I、任何避免碰撞的任何行动均应是积极的、及时的、大幅度的;II、任何避免碰撞的任何行动,均应是积极的、及时的、大幅度的;III、根据驾驶和航行规则所采取的任何避免碰撞的行动,如当时环境许可,均应是积极的、及时的、大幅度的
III
[单选题]You should (松)_____ the mooring lines at the same time when the wind is big
slack
[单选题]厚壁瓦瓦背与轴承座贴合质量的要求是接触面积不小于( )。
75%
[单选题]If a used lube oil analysis indicates excessive chromate content, this means
engine coolant is leaking into the lube oil