考试
2021-02-24 19:50:22

(单选题)使用钢管及复合管的采暖系统应在试验压力下10分钟内

题目描述

A0.5MPa,0.03MPa

B0.2MPa,0.03MPa

C0.05MPa,0.03MPa

D0.02MPa,0.03MPa

答案解析

[db:答案解析]

D

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