The main design parameters and economic and technical indices for various structures were put forward.

并提出了该工艺流程中各构筑物的主要设计参数及技术经济指标。

youdao

The main design parameters and economic and technical indices for various structures were put forward.

并提出了该工艺流程中各构筑物的主要设计参数及技术经济指标。

youdao