production volume的用法和樣例：
例句
- The chromite ore resources and production in Tibet both rank first in our country.
西藏地區的鉻鐵礦蘊藏量和開採量均居全國首位。 - Therefore, with the successive increase of the exploitation volume, in order to raise the prediction precision, the model needs revising at any moment.
因此，隨著開採量的不斷增大，為了提高預報精度，需要隨時對模型進行修正。
