speedilyadv.迅速地speedn.速度；迅速v.加速；急行speed measure feedback测速反馈Speed reduction device减速装置speed adjusting device速度调节装置speed control governor速度调节器speed drilling machine高速钻床speedometer shaft clip里程计轴夹speed governing device调速机构Speed Protection curve安全速度防护曲线speed correction table速度误差修正表speed ratio controller速率比控制器