通过XRD和SEM微观测试手段, 研究了粘土-硅质石屑 - 水泥-石灰体系水热合成硬化体组成的微观结构.Through XRD and the SEM microscopic test method, the microstructure of hydro - thermal synthesis hardening has studied....
The European Commission ruled that British Aerospace should pay back tens of millions of pounds.欧洲委员会裁定英国航空航天公司应该偿还数千万英镑。I'll work my fingers to the bone till I pay back all my debts.我要拼命地工作直到把借款还清.I am sure that he...