Very old and slow systems should be used as dedicated thin clients, while medium-grade systems can go either way.
非常古老、速度极慢的系统应该作为专用瘦客户机使用，而中等的系统可以有较多的选择。
2
Debao Ceramics Co., Ltd. Shenzhen is an enterprise specializes in developing, designing, producing and marketing high-and medium-grade sanitary ware.
深圳市德宝洁具有限公司是一家专业开发，设计，生产，销售高中档卫生洁具的企业。
3
The products are mainly used in making all sorts of ordinary, medium-grade and high-grade screens, floor screens, furniture, tourist souvenirs, gifts and so on.