工程师在改善社会人群生活质量和生活水准的过程中起非常重要的作用。

Engineers play a major role in improving living standards and the quality of life in our community.

youdao

工程师在改善社会人群生活质量和生活水准的过程中起非常重要的作用。

Engineers play a major role in improving living standards and the quality of life in our community.

youdao