local dry welding 局部干式焊接
local dry underwater welding 局部干式水下焊
underwater local dry welding 水下局部干式焊接
dry method underwater welding 干式水下焊
dry underwater welding 干式水下焊
hyperbaric dry-habitat welding 水下干室高压焊接
Welding experiments prove that the design of local dry welding rotating arc sensor can improve welding quality.
焊接实验证明，所设计的局部干法焊旋转电弧传感器改善了水下焊接的质量。
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。
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