问题详情

If the meter needle of the oxygen indicator cannot be set to zero,what should be done? ()


A、Replace the batteries

B、Check the sampling tube for blockage

C、Adjust the final reading by the amount the needle is displaced from zero

D、Replace the platinum filament

时间:2022-01-03 03:12 关键词: 包装危险品与IMDG规则

答案解析

A
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