试题与答案

标准煤的收到基发热量是()。A、5000KJ/Kg B、7000KJ/Kg C、29

题型:单项选择题

题目:

标准煤的收到基发热量是()。

A、5000KJ/Kg

B、7000KJ/Kg

C、29270KJ/Kg

答案:

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