speedboy跑得快的运动员
speedn.速度;迅速v.加速;急行
speed-sensitive contact速度灵敏触点
Speed-flow Relationship速度-流量关系
speedometer with odometer速度计附路码表
speed-up press-button增速按钮
speed inverter regulation变频调速
speed -raise innovation提速改造
speed governing operation速度调节运转
speed shifting fork shaft变速叉轴
speed-sensitive release超速放气阀
Speedivac rotary oil pump快速回转油真空泵