介绍哈尔滨市管道煤气事故原因分析、事故的特点和防范对策。
Analysis of the causes of pipelined town gas accidents, their features and preventive measures in Harbin are discussed.
结合国内外多座桥梁的病害倒塌事故典型案例 ，进行了病害事故原因分析 ；
In view of the typical cases of bridge collapses at home and abroad, the causation of collapses is analyzed.
本文回顾了近十年来，德兴铜矿的安全生产形势。通过事故原因分析，提出了整改措施。
This article reviews the safe production situations of last ten years, and puts forward reforming measures after analyzing reasons resulting accident.
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