In the 19th century, the coming of the auto and train superseded the carriage. In the 20th century, the invention of the plane increased the transportation speed about 10 times above autos and trains.
19世纪汽车、火车的出现代替了马拉车，2 0世纪飞机的发明使运输速度比汽车和火车又提高10倍以上。
The design idea of auto control system in plane transfer device has been introduced in this paper.
介绍了极板转运装置自动控制系统的设计思想。
Dongfeng production company, the liberation of the poor by Steyr automobile assembly line, transmission, auto parts, such as direction of the plane.
公司主要生产东风、解放、斯太尔系列汽车差减总成、变速器、方向机等汽车配件。
Dongfeng production company, the liberation of the poor by Steyr automobile assembly line, transmission, auto parts, such as direction of the plane.
公司主要生产东风、解放、斯太尔系列汽车差减总成、变速器、方向机等汽车配件。
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