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engrenage parallèle

机械工程 parallel gears; gears with intersecting axes; non-crossed gears; parallel-axes gears; parallel-axis gears; parallel helical gears; rolling contact gears; spur gears
齿轮系 gear pair with parallel axes
engrenage parallele
: 20 短语, 2 学科
机械工程18
齿轮系2