近年来，由于法兰连接系统数目的增加、工况条件的复杂性，法兰连接系统的故障率也不断的上升。
In recent years, owing to the great number of flange joints and complexity of work condition, the failure rate of flanged joint system is increasing continuously.
根据导弹武器贮存条件、年限和故障率，进行定性和定量分析确定武器最佳检测周期。
According to stockpile condition, fixed number of year and possibility of failure of missile weapon, the nature and quantitative analysis is made to determine optimal test cycle of missile.
由于煤矿井下的工作条件比较恶劣，电动机的故障率特别高。
Since the fact that the work condition under the shaft in coal mine is comparatively odiously , electric motor block rate is particularly tall.
由于煤矿井下的工作条件比较恶劣，电动机的故障率特别高。
Since the fact that the work condition under the shaft in coal mine is comparatively odiously , electric motor block rate is particularly tall.
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