题目内容
(请给出正确答案)
[单选题]
采油(气)井口装置在井控车间和上井安装后,试压稳压时间不少于(),密封部位无渗漏,压降不超过()为合格
A.10min,0.2MPa
B.20min,0.4MPa
C.30min,0.5MPa
D.40min,0.6MPa
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A.10min,0.2MPa
B.20min,0.4MPa
C.30min,0.5MPa
D.40min,0.6MPa
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