1·The waste water drainage strategy, experience and lessons in proper city of Jiamusi during 1998's extreme flood were discussed. The suggestion to pumping facility improvement was presented.
论述了1998年特大洪水期间，佳木斯市城区污水强排的对策，经验教训及对排水设施改造的建议。
2·Conclusion Facility negative pressure closed drainage on treating wounds in earthquake is a simple, safe method, and has significant curative effect.
目的探讨简易封闭式负压引流技术治疗地震伤员创面的疗效。