试题与答案

设备法兰温度升高后进行热紧主要是()。A、防止法兰泄漏 B、防止法兰变形 C、消除螺栓的

题型:多项选择题

题目:

设备法兰温度升高后进行热紧主要是()。

A、防止法兰泄漏

B、防止法兰变形

C、消除螺栓的膨胀

D、保证垫片的强度

答案:

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