speedcopn.<俚>制止汽车超速行驶的警察speedn.速度；迅速v.加速；急行speed-up playback快速录放speed setting screw转速调节螺钉speed reducing gear减速齿轮speed brake setting减速装置调定speed amplification速度放大speed-up resistor加速电阻speed of adaptation自调速率speed insensibility速度不灵敏度speed of evacuation抽气速度speedometer bushing里程计衬套