HomeDictionary齿轮传动齿轮传动Wordgear driveTraditional齒輪傳動Copy wordchǐ lún chuán dòngchi3lun2chuan2dong4Hear itMeaninggear drive CC-CEDICTCharacters in 齿轮传动齿chǐ轮lún传chuán动dòng