volume method of concrete mix design

例句：

1. 1. The volume of the liquid is 500 milliliters.
   液体的体积是500毫升。
2. 2.The volume of the new car is 30 cubic meters.
   新车的体积是30立方米。
3. 3. The volume of the container is 10 liters.
   容器的体积是10升。