... 焊接性试验 Weldability test 双面焊 Welding by both side 焊接结构 Welded construction ...
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welding by both side
双面焊接
以上为机器翻译结果，长、整句建议使用 人工翻译 。
A particular device of location and compaction for welding by one side in shape by both sides was designed according to the enterprises requirement in steel plates butt joint.
针对某企业需求的平板对接，为解决大型钢板焊接不易翻转的难题，设计了一种单面焊双面成形定位压紧小车。
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