正确答案: A

至少7kn

题目：有毒液体物质残余物排放时，对于自航船船速要求是?()

解析：A

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举一反三的答案和解析：

[单选题]当视图中的轮廓线与重合断面的轮廓线重合时，视图中的轮廓线应( )画出，( )中断。

连续/不

[单选题]Which of the following factors will affect the strength and magnitude of the signal?

The size of the sensor.

[单选题]示功器是( )，根据其工作原理不同示功器可分为( )。

功率测量设备/机械式、气电式和电子式

[单选题]必须配备经主管机关批准的“船上油污应急计划”的油轮总吨至少是_______。

150

[单选题]Proper lubrication of the main bearings is more easily obtained in a single acting, four-stroke/cycle diesel engine than in a tow-stroke/cycle diesel engine because________.

The direction of pressure on the journal in four-stroke engine is continuously