在教室伦流澡到高潮hnp视频-日日狠狠久久8888偷偷色-国产av无码专区亚洲版综合-国产精品视频一区二区噜噜

Light rail rolling line is a Chinese first

Date:2019/6/18 Source: CISDI

Light rail rolling line is a Chinese first

Under CISDI’s technological leadership, Yongyang Special Steel’s light rail production line has gone into operation.

It is China’s first semi-continuous light rail rolling line, with a universal mill at its core.

CISDI’s supplies to Yongyang include core equipment for two breakdown mills, five universal mills and two edger mills, as well as hydraulic systems.

CISDI created an innovative series of universal mills, termed as UMCDs, in specifications ranging from 450mm to 1,000mm.

The proprietary products are welcome by China’s section steel producers who have to import otherwise.

說明: C:\Users\cisdi\Desktop\20190312225459-1.jpg

A diagram of CISDI’s universal mill development

主站蜘蛛池模板: 免费无码成人片| 久久精品久久久久观看99水蜜桃| 成人毛片18女人毛片免费| 欧美精品videossex少妇| 成人欧美一区二区三区| 少妇人妻系列1~100| 国产成人无码aa精品一区| 欧美肥妇bwbwbwbxx| 免费网站看av片| 四川少妇bbw搡bbbb槡bbbb| 亚洲国产精品热久久| 无码人妻精品一区二区| 波多野结衣在线精品视频| 日韩中文字幕在线一区二区三区 | 国产99久久九九精品无码 | 最近2019中文字幕一页二页| 国产免费一区二区三区在线观看| 欧美日韩精品一区二区三区高清视频 | 内射女校花一区二区三区| 无码不卡av东京热毛片| 成 人 免 费 黄 色 网 站 无 毒| 久久成人 久久鬼色| 人妻无码aⅴ不卡中文字幕| 国产一区二区三区乱码| 亚洲欧洲无码一区二区三区| 牛鞭伸入女人下身的真视频| 国产av一区二区三区日韩| 日韩精品内射视频免费观看| 中文字幕一区二区人妻性色| 狠狠色欧美亚洲狠狠色www| 亚洲国产精品无码久久久秋霞2| 欧美综合自拍亚洲综合图片区| 两根大肉大捧一进一出好爽视频| 欧美日韩中文国产一区发布| 377人体粉嫩噜噜噜| 麻豆tv入口在线看| 精品国产国产综合精品| 亚洲欧美精品伊人久久| 国产精品高清一区二区三区| 人人澡人人妻人人爽人人蜜桃| 大地资源在线观看官网第三页|