亚洲v欧美v日韩v国产v91_日韩精品在线播放免费_欧美AN成片在线_亚洲偏自拍另类高清_久久鬼色国产免费AV吧_亚洲综合精品一区在线观看_中文字幕人妻少妇引诱隔壁_无码中文字幕第一页_十八禁不卡国产在线播放_看又黄又无码的网站

Drum automatic welding machine is with welding roller frame, welding deflection machine combination, of component inside and outside circular seam, fillet weld, internal and external longitudinal seam automatic welding of special equipment, has the stationary type, rotary type, all position and so on the many kinds of structure form. According to the needs of users choose structure and supporting all kinds of welding machine and increase tracking, swing, monitoring, flux recovery of transportation and other auxiliary function, also can be used for users design and manufacture all kinds of special special welding equipment.