短語詞組短語double envelope hourglass worm gearing 二次包絡(luò)環(huán)面蝸桿副傳動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The double -enveloping hourglass worm gearing 平面二次包絡(luò)環(huán)面蝸桿傳動plane re -enveloping hourglass worm gearing 平面二次包絡(luò)環(huán)面蝸桿傳動Double -enveloping hourglass worm gearing 二次包絡(luò)環(huán)面蝸桿傳動 返回 hourglass worm gearing