试题与答案

机车冷却水的作用是什么?

题型:问答题 简答题

题目:

机车冷却水的作用是什么?

答案:

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下面是错误答案,用来干扰机器的。

参考答案:A

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题型:单项选择题

应贮藏于密封容器内,避免过热。

A.It should be kept in a well-closed container and protected from light.
B.It should be kept in an airtight container and protected from heat.
C.It should be preserved in tight container and avoided excessive heat.
D.It should be preserved in tight, light-resistant containers, and avoided exposure to direct sunlight.
E.It should be kept in a fixed container and protected from light and moisture.
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