Electric Screw Mandrel 电动丝杆式
screw head mandrel 螺头轴柄
screw shoulder mandrel 螺头有肩轴柄
The utility model is of bridge type structure of right and left upright pillars adding top beam, the lifting device with nut screw mandrel is moving along the upright pillars.
本实用新型为左右立柱加顶部横梁的桥式结构，螺母丝杆升降装置沿立柱上下移动。
youdao
应用推荐
模块上移
模块下移
不移动