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(kāi)采量均居全國首位。 - 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(zhù)開(kāi)采量的不斷增大，為了提高預報精度，需要隨時(shí)對模型進(jìn)行修正。
