Knives and scissors grinding have different from other commonly product grinding. It has high grinding quantity, rigid surface, fin texture and so on, so it has the characteristic of one-off mighty grinding.

刀剪磨削不同于普通磨削爱爱潮喷小视频免费播放，其磨削特點有磨削量大、表面硬度高人人摸人人人草、紋理細密等一本大道AV久在线播放，屬一次性強力磨削。