磨(mo)具(ju)磨(mo)料,砂(sha)(sha)紙(zhi)砂(sha)(sha)帶(dai),鉆石(shi)研磨(mo)墊(dian),拋光蠟,金字塔砂(sha)(sha)帶(dai),研磨(mo)盤,打磨(mo)機(ji),海(hai)綿砂(sha)(sha)