国产精品美女久久久久久久久_日韩欧美成人免费观看_欧美性狂猛XXXXXBBBBB_亚洲伊人久久精品影院

About us

 In the early 1980s, Germany first made cars (cars) of practical value. The automobile industry was the first to develop in France because of the wide roads and luxurious social atmosphere in Paris at …

Brief Introduction to the Group

Brief Introduction t…

The company is a global digital industry company, which creates software-defined machines, integrates the wisdom of interconnection, response and prediction, and is committed to transforming tradition…

More

國內陸運

一、運輸具(ju)(ju)有(you)生產(chan)的(de)(de)本質屬(shu)性(xing)運輸的(de)(de)生產(chan)過程是以(yi)一定的(de)(de)生產(chan)關系聯系起來的(de)(de)、具(ju)(ju)有(you)勞動技能(neng)的(de)(de)人們使用勞動工具(ju)(ju)(如車、船、飛(fei)機及其

國際陸運

 運輸是(shi)指用特定的(de)設備和工(gong)具,將(jiang)物品從(cong)一個(ge)地(di)點向(xiang)另一個(ge)地(di)點運送的(de)物流活動,它是(shi)在(zai)不同地(di)域范(fan)圍內,以改變物的(de)空間位置(zhi)為目的(de)對

國內航空運輸

技術(shu)設備是(shi)實現航(hang)(hang)空(kong)運輸的物質基礎。主要(yao)包(bao)括航(hang)(hang)路(lu)、航(hang)(hang)空(kong)港、飛機和(he)通信導航(hang)(hang)設施等。航(hang)(hang)路(lu)是(shi)根據地面導航(hang)(hang)設施建立的走廊式保護空(kong)域

    Service Hotline

    400-

    Email

Scanning
 Mobile Version 

Pay Attention To
Official WeChat