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R 开头的英语单词（共 156,943 个）
rail fastening device
钢轨扣结装置
rail fastening down
钢轨锁定
rail fatigue
钢轨疲劳
rail fence
栅栏
rail ferry
火车摆渡船
rail field side
钢轨外侧
rail finishing mill
轨梁精轧机
rail fissure
钢轨裂纹
rail fitting
钢轨配件
rail flange
钢轨翼缘
rail flat car
轨道平车
rail flaw
钢轨损伤
rail flaw detecting car
钢轨探伤车
rail flaw detection car
钢轨探伤车
rail flaw detector
钢轨探伤仪
rail foot
轨底
rail foot surface
钢轨底面
rail for re-used
再用轨
rail form concrete paver
轨模式混凝土摊 铺机
rail fracture
钢轨断裂
rail frog
钢轨辙叉
rail gage
轨距
rail gage template
轧距规, 道尺, 轨道规
rail gang
铺轨队
rail gap
轨隙
rail gap adjuster
轨缝调整器
rail gap adjusting
轨缝调整
rail gauge
道尺