短語(yǔ)詞組短語(yǔ)cylindrical worm gear drive 圓柱蝸桿傳動(dòng)cylindrical worm gear pair [機(jī)]圓柱蝸桿副concave profile cylindrical worm -gear 凹麪齒圓柱蝸桿 返回 cylindrical worm gear