正确答案: C

ahead

题目：During bunkering, the request for stoppage of pumping shall be made, as a rule, 5 minutes ______.

解析：C

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举一反三的答案和解析：

[单选题]船舶在港内停靠装卸货物期间，地面通信系统的组合电台应处于_____。

关闭状态

[单选题]救生艇发动机应能在艇离水，冷态启动后运转不少于：

5分钟

[单选题]Any increase in the exhaust back pressure of a four-stroke/cycle diesel enginewill( ).

reduce engine horsepower output

解析：解析：aid：援助;contribute to：对…起作用

[单选题]If the diesel engine fuel injection timing is changed to delay the start of injection until the pistons are at top dead center, the engine will_________.

develop less power under load

[单选题]钩在甲板上使用，如有斜度，应使钩尖朝：()

上

[单选题]先导型减压阀出口油压调不高不会是________。

导阀打不开

[单选题]疑似肝炎病人应隔离，卧床休息，隔离日至少______天。

21

[单选题]由热水、蒸汽等单纯高温造成的局部组织损害叫()

烫伤