正确答案: B
on power
题目:Before "stand by" is rung on the engine telegraph, it is usual to give the main diesel engine a brief trial ahead and astern.
解析:B
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举一反三的答案和解析:
[单选题]当你船听到右首舷弯道后面传来一长声声号后,你应________。
回答一长声,并继续保持在水道右侧行驶
[单选题]救生艇内外表面要多长时间油漆一次,以保持其颜色鲜明。
每年
[单选题]你船是机动船在试航,从左舷60度驶来一艘挂有尖端向下圆锥体的帆船,致有构成碰撞危险,你船应________。
保向保速
[单选题]Pitted reduction gear teeth having a deep blue color with evidence of overheating have been operated with _______.
inadequate lubrication
[单选题]在紧急应变中,船长应( )。①竭尽全力救助人命;
①②③
[单选题]双面量爪游标卡尺通常不能用来测量( )。
槽深或凸台高度