Failure criticality analysis is an important process to the research of construction machinery's optimal design and the improvement of its reliability.
失效致命度分析是研究工程机械优化设计、提高其可靠性的重要环节。
Based on the failure analysis of the fracturing pump valve chamber, a model for calculating its reliability under three-dimensional stress is established, and a computing program is worked out.
基于压裂泵阀箱的失效分析，建立了在三向应力作用下计算阀箱可靠性的模型，设计了计算程序。
This paper analysis the work conditions of automotive catalytic converter, points out its main forms of failure and their causes.
本文分析了汽油机催化转化器的工作条件，指出了催化转化器机械破坏的主要原因和破坏形式。
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