The Pre - cambrian alumino - siliceous slate is the host rock of antimony deposit inHunan.湖南前寒武系的 硅铝 质板岩是锑矿主要赋矿岩性.Antimony adds to the rigidity of the casting.锑能增加铸件的硬度.Antimony abounds in out country.我国盛产锑.The percentag...
A bad attack of lumbago unfitted him for work in the garden.因腰部风湿病发作得很厉害,他无法做园子里的工作.To observate clinical therapy of herb medicine steaming over lumbago patients.目的:观察中药熏蒸治疗腰腿痛的临床疗效.Methods: To take TaoRenChengQi soap co...