Guimeng , electric, chromium manganese, ferro - alloys such as ferromanganese products.硅锰 、 硅铁 、 铬锰 、 锰铁等铁合金产品.Demage mechanism of tap - hole for a ferro silico - manganese smelting furnace is described.阐述了锰 硅合金 矿热炉出铁口损坏...
我不是有意在名单上漏掉她的名字的，这是个疏忽。I didn't mean to leave her name off the list; it was an oversight.那些被叫到名字的人离开了房间.The men whose names were called left the room.其名字的由来鲜为人知。The derivation of its name is obscure....