试验的目的是为受电弓架结构优化设计和实际使用提供科学依据。

The objective is provided scientific basis for the optimization design of its structure and the practical application.

youdao

试验的目的是为受电弓架结构优化设计和实际使用提供科学依据。

The objective is provided scientific basis for the optimization design of its structure and the practical application.

youdao