They have put up schools, theaters, shops and flats. They have an assembly hall and a hospital.
他们建起了学校，剧院，商店和公寓，还有大礼堂和医院。
These flats are used in determining surface qualities in optical shops, instrument fabrication, machine and experimental shops, for laser usage and a multitude of other applications.
这一平板用于确定光仪工厂、仪器制造、机器和实验车间以及多种其他应用的表面质量。
These flats are used in determining surface qualities in optical shops, instrument fabrication, machine and experimental shops, for laser usage and a multitude of other applications.
这一平板用于确定光仪工厂、仪器制造、机器和实验车间以及多种其他应用的表面质量。
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