cranking speed

例句：

1. 1.The car's cranking speed is measured in revolutions per minute (rpm).
   汽车的起动速度以每分钟转数来衡量。
2. 2. The engine needs to be cranked up before it can reach its full potential.
   发动机需要被起动才能达到其最大潜力。
3. 3. The new model has a faster cranking speed than the previous one.
   新款模型的起动速度比旧款快。