pedal accelerator

• 加速踏板,脚踏加速器

pedal accelerator的用法和样例：

例句

1. Cranking-motor controls have varied from a simple foot-operated pedal to automatic devices that close the cranking-motor circuit when the accelerator pedal is depressed.
   控制起动电机的方式已从一个简单的脚踏板改为压下加速踏板即可自动接通起动电机电路的自动装置。