cast welded rail joint的意思|示意
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铸焊钢轨接头
cast welded rail joint的网络常见释义
铸焊钢轨接头 ... cascade welding阶梯式焊; 山形多层焊 cast welded rail joint铸焊钢轨接头 cast welding铸焊 ...
cast welded rail joint相关短语
1、 cast-welded rail joint 钢轨铸焊接头