General repairs such as metal foil tape, resin sealing repair, wet lay up repair.
典型修理方法，如金属箔片修理法，树脂密封修理法，湿铺层修理法。
The text introduces the welding leak phenomena of large caliber pipe across river, and wet or dry welding repair technology below water.
介绍了大口径过河钢管接口焊缝爆漏现象，以及湿法和干法水下焊接修复技术。
Both wet and dry underwater welding operations are presented to repair the burst at the welding seam of large size crossing steel pipe.
介绍了大口径过河钢管接口焊缝爆漏现象，以及湿法和干法水下焊接修复技术。
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