feed screw
螺旋送料机
喂料螺杆
螺旋输送
进给螺杆
进料螺杆
进给螺旋
给料螺旋运输机
进给丝杆
给水
丝杠
feed forward and feed back AGC
303 Pelletized feed using fattening sheep
5-axis simultaneous feed
703B feed on antler growth
841 compound feed addittve
A Water Feed Device with VFSR
Abrasives feed appliance