短语词组短語ball -grinder 磨球機bearing ball grinder [機]軸承球磨牀Ball Screw Shaft Grinder 滾珠絲杠磨牀Horizontal ball grinder 臥式球磨機ball mill ball grinder 球磨機tiltable ball grinder 傾繙式球磨機surface modification with ball grinder 球磨法表麪改性 返回 ball grinder