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Forenergy Management
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18
05
SY/T 6423.4
焊接钢管焊缝附近分层缺欠的超声波检测...
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18
05
SY/T 6423.3
埋弧焊钢管焊缝纵向和/或横向缺欠的超声波检测...
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18
05
SY/T 6423.2
石油天然气工业承压钢管无损检测方法/电阻焊和感应焊钢管焊缝纵向缺欠的超声波检测...
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18
05
SY/T 6423.1
石油天然气工业承压钢管无损检测方法...
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18
05
SY/T 6419
玻璃纤维管的使用与维护...
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18
05
SY/T 6417
套管、油管和钻杆使用性能...
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18
05
SY/T 6416
内燃机的安装、维护和操作推荐方法...
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18
05
SY/T 6408
钻井和修井井架、底座的维护与使用...
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18
05
SY/T 6407
旋转钻井钻柱构件规范...
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18
05
SY/T 6401
气举井下装置...
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