speedcopn.<俚>制止汽车超速行驶的警察
speedn.速度;迅速v.加速;急行
speed ratio control速率比控制
speed of compressor压缩机转速
speed determination速度鉴定
speed of revolution转速
speed power product速率-功耗乘积
speed-change area加宽超车区
speed and promotion速度与拉动
speed of instrument仪表速率
speed skating class速滑课
speed in run - up助跑速度