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A METHOD OF REPAIRING AN UNDER WATER PIPELINE
A METHOD OF REPAIRING AN UNDER WATER PIPELINE
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机译:一种修复下水管道的方法
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摘要
A method of repairing an under water pipeline from which a defective or damaged length of pipe has been cut away to form longitudinally spaced-apart, exposed, pipe ends which method includes the steps of:
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