题目内容

一只电流表,其示值为10A,经检定,其实际值为9.9A,则该电流表在10A该度点的测量误差是()。

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The air required for combustion is taken from the engine room through a filter fitted on the turbochargerThis reduces the risk for too and contamination of the combustion air()

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A. the ship type
B. the port's organization
C. the cargo's nature
D. the dockers’ ability

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活性污泥法通过()等过程去除有机物的一种方法。

A. 絮凝
B. 絮凝、吸附
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D. 絮凝、吸附、氧化分解、沉淀

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