日本久久久久久久,97久久精品一区二区三区,狠狠色噜噜狠狠狠狠97,日日干综合,五月天婷婷在线观看高清,九色福利视频

Uses: This equipment is suitable for the loading of granular or powder materials.

Features: 1: Screw drive machine is a supporting auxiliary machine required for plastic processing machinery, which can transport powder or granular plastic raw materials into the hopper.

2: Reduce the labor intensity of workers and increase production efficiency.