91啪啪,XXDD.CC色哟哟,剧情中文字幕毛片,无码人妻久久久久

Hello, welcome to visitWenzhou Baicheng Grinding Machinery Co., Ltd.The official website!

Relationship between:15968754247

Product categories

Contact Us

Mobile:15968754247
Tel:0577-86196588
Fax:0577-86781906
E-mail:805684063@qq.com
add:NO.31 Shunzhan Road,industrial Area,Ouhai Zone,Wenzhou

The current position:homeIndustry news 新聞詳情

Analysis: the function of the structure of the single grinding machine

The release date:[2016-08-29]     Click rate:

Double single-sided grinding machine including frame, the frame side of the product have extended upward single arm stretch, single arm stretching mechanism connected with an upper millstone, in the stone on the bottom of the frame is equipped with corresponding to the upper millstone bedstone, there is a groove in the upper center position, on the rack with grooves corresponding to the location of the column has a transmission, transmission column of the products is with grooves corresponding to the bulge, will be placed in the hole of the star road wheel on machining parts, then make single arm stretching downward movement, the single arm grooves in conformity with the transmission column tensile mechanism, the upper and the lower millstone respectively and processing parts of the upper and lower surface contact, to achieve double grinding, start switch and control under the control of rack millstone transmission column switch, turns the millstone and the upper millstone, when need single-sided grinding, just turn off the control transmission column switch, transmission column stop running, millstone will not rotate, single-sided grinding.

国产xxxx| 日本欧美在线感情| AV黄色免费在线观看| 日本免色本道| 一级黄片久久久| 久久精品久久电影| 无码视频网站| 欧美亚洲性爱91| 成人欧美一区二区三区男男| 三级视频网址大全| 日韩电影在线观看一区| 国产精品三p一区二区| 精品熟女60老妇av免| 欧美日韩狠狠久久| 码人妻精品一区二区| 欧美久久中文字幕| 亚洲韩国日本中文字幕| 日韩欧美精品久久| 久久激情欧美视频| 亚洲日韩AV无码中文字幕美国| 久久六月综合| 夫妻免费无码V看片| 视色在线免费| 欧美人狂配大交3d怪物一区 | 激情AV小说| 日韩(在线观看)黄| 国产成人无码a区在线观看视频不卡| 日本a 在线观看| 国产成人99久久亚洲综合精品 | 保德县| 东京热日本黄色| 日韩h无码小视频| 久久合合| 99精品全国免费久久| WWW夜片内射视频在观看视频| 不卡的AV日逼| 日韩av无码精品色午夜| 国产一级一级欧美| 4虎av| 伊人一二区| 国产一区二区欧美久久|