高效而可靠的风力发电机的研究与开发已经成为能源技术领域的热点和难点。

R&D of wind turbines has been a hot and difficult point in energy technology field.

youdao

高效而可靠的风力发电机的研究与开发已经成为能源技术领域的热点和难点。

R&D of wind turbines has been a hot and difficult point in energy technology field.

youdao