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【单选题】
对经过两次返修仍不合格的焊缝，如需要再返修，（），返修次数，部位和无损探伤等结果记入《压力容器质量证明书》中。A.
需经制造单位技术负责人批准
B.
需经使用单位技术负责人批准
C.
需经安装单位技术负责人批准
D.
需经运输单位技术负责人批准
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
举一反三
【单选题】What _____ will it make whether he knows this or not? [ ]
A.
sense
B.
difference
C.
mistake
D.
use
【简答题】What will NOT happen if you don’t get enough sleep? A) You will feel stressed while working. B) You will have no sense of exhaustion. C) You can make costly mistakes. D) You will have low productivity...
【单选题】What can we learn from the conversation?
A.
The man caught the train.
B.
The man missed the train.
C.
The woman missed the train.
【单选题】What will not make cells age?
A.
Oxygen.
B.
Wear and tear.
C.
Lack of oxygen.
D.
Less physiological fuel.
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