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wo guo te zhong she bei jian guan chu kun jing
Pages: 42-43
Year: Issue:  9
Journal: Safety & Health

Abstract:  我国特种设备事故率仍比发达国家高4到6倍;上个世纪五十年代一个人管50台锅炉,现在一个人要管两三千甚至四五千台,监察人员和检验力量严重不足---
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