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。
The underwater tunnel for crossing river is an important scheme in the project of Taizhou highway.
隧道过江方案是泰州公路过江通道工程中的一个重要方案。
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