词语轮系
解释gear train
gear train〔名词〕齿轮组详细»
gear train〔名词〕轮系详细»
gear train〔名词〕齿轮系详细»
gear train〔名词〕齿轮系列详细»
gear train齿轮系详细»
轮系train详细»
轮系train of wheels详细»
轮系gear train;train of wheels;wheel train详细»