欧美激情网-欧美丰满美乳xxⅹ高潮www-精品国产人妻一区二区三区-亚洲色在线视频-中文字幕av网-香蕉网在线观看-亚洲永久精品视频-国产中文字幕在线视频-黄页视频网站-在线视频 日韩-国产精品99久久久-伊人热久久-欧日韩在线视频-欧美黄色短片-欧美性色黄大片手机版

1. Aluminum gearbox ensures service life;
2. The gearbox is equipped with pure copper worm gears, imported bearings, and imported transmission systems;
3. The machine itself is heavy and has a good compaction and polishing effect;
4. Increase the clutch wheel, and the separation and separation cannot be connected;
5. The cross bearing can be oiled, rust free, disassembly free, and maintenance free;