rail-splitter n.劈木材作為圍墻欄桿者rail-lift n.升軌；起道rail-gun n.軌道炮rail-gnawing 啃軌rail-fence jammer [經(jīng)濟(jì)學(xué)]連續(xù)波干擾器rail-fence cipher rail-end-hardening machine [經(jīng)濟(jì)學(xué)]軌端淬火機(jī)rail yard 鐵路站場(chǎng)rail welding car [機(jī)械工程]鋼軌焊接車(chē)rail way rail transportation system optimization [計(jì)算機(jī)科學(xué)技術(shù)]鐵路運(yùn)輸系統(tǒng)優(yōu)化rail transportation 鐵路運(yùn)輸rail transport [鐵路] 鐵路運(yùn)輸rail transit 城市軌道交通；鐵路直達(dá)運(yùn)輸rail traffic parking yard [交通運(yùn)輸工程]軌道交通停車(chē)場(chǎng)rail track 軌道；鐵路線路rail tank car [交通運(yùn)輸工程]鐵路油罐車(chē)rail sweep surface [計(jì)算機(jī)科學(xué)技術(shù)]雙扶手曲面rail surface 軌面rail steel 軌鋼，鋼軌鋼