welding on the supporting frames
...焊接在支撑架上 welding in the supporting structure ; Welding on the supporting frames ; Welding in the support rack 焊接在尖头上的 tipped 焊接所有在附近 weld all around ..
基于8个网页-相关网页
welding on the supporting frames
在支撑架上焊接
以上为机器翻译结果，长、整句建议使用 人工翻译 。