短語詞組短語worm -wheel shaft 蝸輪軸worm emery wheel 蝸桿砂輪Worm -wheel drive 蝸輪傳動(dòng)involute worm emery wheel 漸開線蝸桿砂輪worm grinding wheel 蝸桿砂輪;蝸桿砂worm and wheel drive 蝸桿蝸輪傳動(dòng) 返回 worm wheel