词语齿轮系
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»
齿轮系train of toothed wheels详细»
齿轮系train of gears详细»