单选题:压力试验过程中如发现泄漏、异常响声等不正常情况,应停止试验并(  ),经 修补处理后再按规定重新试验。

题目内容:
压力试验过程中如发现泄漏、异常响声等不正常情况,应停止试验并(  ),经 修补处理后再按规定重新试验。 A.关闭试压电源
B.分析原因
C.卸压
D.确定缺陷位置

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