To observe the short-term effect of desmopressin acetate(DDAVP) in treating primary enure-sis.

探去氨加压素(DDAVP)治原发性遗尿症的近期效。

To enure that the system can run all-weather 24-hour security,supply hot water.

以确保系统能够全天候24小时安全运，热水。