国产一区精品视频丨www.887色视频免费丨亚洲日韩亚洲另类激情文学丨久久综合色一综合色88欧美丨淫片网站丨日韩aaaaaa丨成人试看30分钟免费视频丨九九热久久久99国产盗摄蜜臀丨色妞综合丨看污网站丨香蕉伊蕉伊中文视频在线丨欧美在线观看视频免费丨日韩免费视频丨午夜精品偷拍丨岛国大片在线观看丨91二区丨免费国产在线一区二区丨久久香蕉精品丨日本男人天堂丨久久久精品视频免费

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.