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Terms for subject Rail transport (16864 entries)
back step sequence welding 分段退焊
back stop 门挡
back tie bracket 下锚拉线底座
back to back L/C 对背信用证
back up ring 垫圈
back up ring 支承环
back up washer 支撑垫圈
back ward haulage 逆向牵引
back ward reaction 逆反应
back-filled grouting 壁后注浆
back-filling grouting 壁后注浆
back-pull 回拖
back-to-back distance of wheelset 轮对内侧距
backbone layer 骨干层
backfilling for borehole 钻孔充填
backfilling for open-cutting 明挖回填
backing 焊接衬垫
backing bead 打底焊道
backing plate 顶板
backing shoe 铜滑块