Frances invited them to occupy the upstairs of her home.弗朗西丝邀请他们住在她家的楼上。They huffed and puffed as they carried the sofa upstairs.他们把沙发抬上楼时气喘吁吁。I'll take my coat upstairs. Shall I take yours, Roberta?...我要把我的外套拿到楼上去。...
Main uses: flux for metallurgy, ceramic, glasswork, abrasive substance, foundry, refractory, smelting etc.主要用途: 冶金熔剂 、 陶瓷 、 制造玻璃 、 研磨材料 、 铸造 、 耐火材料 、 冶炼硅铁等.The moulds for the foundry are made in the tool-room area.铸造车间的模...