题目内容
(请给出正确答案)
[主观题]
闸板封井器采取手动关井后,当压井作业完毕,现准备打开井口,试问应如何操作?
提问人:网友graceliu
发布时间:2022-01-06
A.阀:1,3,4,6,7,8,10,11,13,18,22
B. 阀:2,3,5,8,9,10,11,14,19,21
C. 阀:2,3,4,6,7,8,9,10,11,14,16,19,23
D. 阀:1,3,5,8,9,10,11,14,16,19,20
E. 阀:2,3,5,8,9,10,11,12,15,17,23F . F、阀:1,3,4,6,7,8,9,10,11,12,15,17,20
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