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爆炸修复套管
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爆炸修复套管
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工学
修复油井套管
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repair the oil well casing by explosion
爆炸修复套管
用电缆将爆炸器下到套管变形位置,用定位器校核深度,然后采用引爆爆炸器整形的办法来修复套管的作业。
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