adjustable speed electric drive

例句：

1. 1.The new car has an adjustable speed electric drive system that makes it easy to accelerate and brake.
   这款新车配备了一个可调节速度的电动驱动系统，使得加速和刹车变得容易。
2. 2. The electric vehicle uses an adjustable speed electric drive to reduce emissions.
   这款电动汽车使用了一个可调速的电动驱动来减少排放。
3. 3. The adjustable speed electric drive is a great option for those who need to move heavy objects quickly and efficiently.
   可调速电动驱动是一个非常适合需要快速而高效地移动重物的人的选择。