rail main line 铁路干线
Some passengers unable to fly on domestic routes switched to rail, with train companies putting on more services on the East Coast and West Coast main line routes.
一些无法乘坐国内航线的乘客转而选择火车,而火车公司也在从东海岸到西海岸的路线上增加了更多的车次。
A bloom continuous Casting machine main cast quality steel and alloy steel, such as heavy rail steel, hard-line steel, spring steel, bearing steel, alloy structural steel, and other key species.
大方坯连铸机主要浇铸优质钢和合金钢,如重轨钢、硬线钢、弹簧钢、轴承钢、合金结构钢等重点品种。
China branch Aviation is currently being caught between main line aviation and high-speed rail with pain and happiness.
我国支线航空目前正在干线航空和高铁的夹缝中艰难前行,痛并快乐着。
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