试题与答案

井喷征兆的第一信号往往是()。A、井塌 B、井漏 C、溢流 D、井卡

题型:单项选择题

题目:

井喷征兆的第一信号往往是()。

A、井塌

B、井漏

C、溢流

D、井卡

答案:

参考答案:C

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