介绍汽轮机异常振动的特征表现、原因分析及预防措施。
The paper introduces the characterization, reason analysis, and precautionary measure of one turbine's abnormal vibration.
介绍煤气中毒机理和燃气热水器中毒事故的原因分析及预防对策。
The mechanism of gas poisoning, the cause analysis of gas poisoning due to water heater faults and its preventive measures are discussed.
对泌尿系结石的组成进行结构分析，为分析结石病的产生原因及预防复发提供参考，在临床诊断和治疗上具有重要意义。
The analyses of composition of urinary calculi can provide significant on the clinical diagnosis and treatment reference to the cause of lithiasis and the prevention of recurrence.
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