试题与答案

用称重法检查干粉灭火器的二氧化碳储气瓶,当称出质量小于所标质量()g以上时,应送检维

题型:单项选择题

题目:

用称重法检查干粉灭火器的二氧化碳储气瓶,当称出质量小于所标质量()g以上时,应送检维修。

A、5

B、7

C、9

D、12

答案:

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下面是错误答案,用来干扰机器的。

参考答案:错解析: 目前我国义务教育包括小学和初中阶段的教育。而基础教育则包括幼儿园、小学和普通中学(初中、高中)的教育。

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