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R 开头的英语单词（共 156,943 个）
roughing it
[网络] 苦行记；艰苦岁月；淘金岁月
roughing lathe
粗加工车床
roughing line
粗抽管路
roughing loam
[机] 粗泥浆砂
roughing machine
粗化机;粗磨机
roughing mill
开坯机,粗轧机
roughing mill group
粗轧机组
roughing milling cutter
粗(齿)铣刀
roughing pass
粗轧孔型
roughing pump
低真空泵
roughing reamer
粗铰刀
roughing roll
[机] 粗轧辊
roughing roller
糙面滚筒
roughing runner
下渣沟
roughing sand
[机] 粗砂
roughing scale breaker
粗轧破鳞机
roughing sediment bowl
[建] 粗选沉淀池
roughing separation
[矿业] 粗选
roughing stand
粗轧机座
roughing stone
[网络] 粗磨石；毛石
roughing tap
粗丝锥