到19世纪中期，大众制陶业得到了发展。The popular ceramics industry expanded towards the middle of the 19th century.20世纪80年代中期，变革又呈山雨欲来之势。By the mid-1980s, change was in the wind again.从中期来看，英国汽车行业前景将会更好。In the medium term the UK car indus...
地下水文学问题相似求解的有效性是受到限制的.The availability of similarity solutions to subsurface hydrologic problems is limited.因而,本论文在河道汇流上采用水文学与水力学相结合的方法.Accordingly the combination the hydraulic and the hydrologic method is necessary.水资源...
It has belling heads of full specification from 50 to 630.尤其是研制生产的扩管机,扩管头,规格齐全,质量可靠.Belling out the tubes will permit a freer passage of air.把管子做成钟状,可使气流更畅通.I am leaving for Belling on a four - day tour.我马上要去北京旅游4天....