国产三级亚洲三级_久色中文日韩在线第三页_最近中文字幕在线 一区二区三区_男女毛片看一级特色网_黑粗硬大欧美在线观看视频_亚洲色婷婷免费视频高清在线观看_亚洲综合av一区二区三区_蜜桃臀久久伊人福利_国产91香蕉在线精品_47pao国产成永久免费视频

All welded steel frame， stress relieved by quenching， with high strength and good stability.

Knife holder adopts servo driven.Large moving torque， fastacceleration and deceleration， quick positioning， accurate feed.

International brand main motor frequency conversion control，beam running smoothly；