制药、食品、饮用水、空气净化、化学工程、汽车工程等。

Medicine industry, food industry, drinking water industry, air fresh industry, chemical project, automobile industry etc.

youdao

制药、食品、饮用水、空气净化、化学工程、汽车工程等。

Medicine industry, food industry, drinking water industry, air fresh industry, chemical project, automobile industry etc.

youdao