亚洲成av人片天堂网-亚洲成aⅴ人在线观看-亚洲成aⅴ人片在线观-亚洲成a v人片在线看片-国产人成免费视频-国产人成久久久精品

The NH120 double-tapered roller mixer uses two tapered rollers to crush and mix the abrasives, which can effectively eliminate the rolling and heating of the materials during the rolling process. The mechanical transmission adopts the worm gear method, and the large worm wheel made by aluminum-based rare earth alloy material, which has good wear resistance and durability.