亚洲Av成人片无码|无码AV直播日韩一级簧色带|欧美精品乱码99久久蜜桃|在线哪看毛片日本久久99网|免费看的小电影黄色|精品一区二区激情在线观看播放|亚洲A级毛片av日韩无码插|亚洲成在人网站?|亚洲情色婷婷超碰久久久无码|三级网站免费看看

Hole coating machine

2020-08-23 15:24:00

The machine adopts hydraulic transmission, two oil cylinders respectively push the coating out and mandrel up and down. The mandrel beam sliding adopts the structure of three columns and three beams, the hydraulic circuit is simple and reasonable, and the electronic control system operates reliably, thus ensuring the balanced operation of the equipment.