短語(yǔ)詞組短語(yǔ)double envelope hourglass worm gearing 二次包絡(luò)環(huán)面蝸桿副傳動(dòng)double enveloping hourglass worm gearing 平面二次包絡(luò)環(huán)面蝸桿Planar Enveloping Hourglass Worm Gearing 平面包絡(luò)環(huán)面蝸桿傳動(dòng)The double -enveloping hourglass worm gearing 平面二次包絡(luò)環(huán)面蝸桿傳動(dòng)plane re -enveloping hourglass worm gearing 平面二次包絡(luò)環(huán)面蝸桿傳動(dòng)Double -enveloping hourglass worm gearing 二次包絡(luò)環(huán)面蝸桿傳動(dòng) 返回 hourglass worm gearing