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: gogo全球大胆高清人体444| 婷婷综合久久中文字幕| 精品国产亚洲av麻豆尤物| 一出一进一爽一粗一大视频| 久久久久亚洲av综合仓井空| 久久精品午夜福利| 婷婷五月综合激情| 夜鲁鲁鲁夜夜综合视频欧美| 亚洲中文字幕无码av在线 | 久久久久亚洲av成人人电影| 国产又大又硬又粗| 影音先锋男人av橹橹色| 色费女人18毛片a级毛片视频 | 久久国产精品99精品国产| 亚洲肥老太bbw中国熟女 | 大又大又粗又硬又爽少妇毛片| 亚洲精品无码久久毛片| 亚洲av日韩av激情亚洲| 国产最新进精品视频| 97久久综合亚洲色hezyo| 人妻体内射精一区二区| 俺来也俺去啦久久综合网| 精品久久久久久久久中文字幕| 国内精品伊人久久久久妇| 亚洲日韩中文字幕一区| 久久综合狠狠综合久久综合88| 伊人色合天天久久综合网| 天天躁狠狠躁狠狠躁夜夜躁| 国产成+人欧美+综合在线观看| 国产乱子伦农村xxxx| 玩弄人妻少妇500系列视频| 欧美激情肉欲高潮视频| 亚洲综合精品第一页| 欧美老熟妇喷水| 99热这里有精品| 久久av无码专区亚洲av桃花岛| 爱性久久久久久久久| 亚洲午夜福利在线观看| 国产精品亚洲а∨无码播放| 久久亚洲精品11p| 亚洲av午夜福利精品一区|