单词	xtrac
释义	xtrac [网络] 序列变速箱；单速
随便看	flow battery flow bean flow bean choke flow behavior flow behavior index flow behaviour flow behaviour index flow between conscious and unconscious flow bidirectional flow birefringence flow block flow blockage flow block diagram flow blue flow board flow bog flow boiling flow boiling crisis flow bomb flow bottom hole pressure flow boundary layer flow-boundary-layer thickness flow box flow brazing flow breakaway yzwd yzwdjzst yzwj yzws yzww yzwwxeby yzwwxzby yzwx yzwy yzwz うちわくうちわく【内枠】うちわけうちわけ【内訳】うちわたうちわた【打ち綿】うちわたしうちわたし【内渡し】うちわもめうちわもめ【内輪揉め】