单词	gear reduction
释义	gear reduction 齿轮减速
随便看	contact lubrication contact lysis contact magazine contact magnetic recording contact maintenance contact maker contact-making contact making clock contact-making clock contact making device contact-making meter contact-makings contact-making thermometer contact making voltmeter contact-making voltmeter Contact, Male contact man contact management contact-management contact manager contact manifold contact manometer contact manufacturing contact mark contact marker S庆清朝慢·踏青 S庐山谣寄卢侍御虚舟 S应天长 S度大庾岭 S度破讷沙 S度荆门望楚 S开元即事 S开元后乐 S引驾行 S张好好诗并序去皮去磁去程去籽去粗取精去职去芜存菁去路去邪归正去除