This paper also provides the quantitative relationships between sand cut and time, and production increment multiple and time.

本文给出了出砂率与时间、产量与时间之间的定量关系。

youdao

This paper also provides the quantitative relationships between sand cut and time, and production increment multiple and time.

本文给出了出砂率与时间、产量与时间之间的定量关系。

youdao