短語(yǔ)詞組短語(yǔ)leading g screw 絲杠leading -screw bearing 傳動(dòng)螺桿軸承leading card screw lathe 絲杠車牀leading g screw lathe 絲杠車牀leading card screw 絲杠leading screw lathe 絲杠車牀 返回 leading screw