volume power是什么意思

用法例句

4 liter, and length dimension of vehicle is equal or less than 4 meter, and engine volume power is equal or less than 45kW per liter.

4L，车身外形尺寸总长小于等于4米，发动机升功率大于等于45kW／L等，并宣布将在税收上出台一系列的政策，鼓励消费者购买经济型轿车。