Weld the sealing filling block during floor assembly when it is to be installed at site.
工地安装时应尽量在地面组装时将密封填块先焊好。
Based on the fracture site investigation and macro-rod fracture analysis, the welding rod fracture occurred in the vicinity of the weld fusion line.
通过对最近的一次断裂拉杆现场调查和宏观断口分析，发现断裂发生在拉杆的补焊焊缝熔合线附近。
When the tubing string is milled, the helical weld form provides enhanced characteristics of the tube at the weld site.
当挠性管柱被轧制时，焊缝的螺旋形使得在焊缝处增强了管子的性能。
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