The paper makes an analysis on the problem of high failure rate with micro-electronic A. C. counting automatic block equipment and suggests the solution.
本文通过对微电子交流计数自动闭塞设备故障发生率较高的问题进行了分析，提出对问题的解决方案。
The concept of failure risk was put forward in allusion to the fact that the failure rate of mechanical equipment increases with working hours.
针对机械产品故障率随工作时间增加而增大的实际情况，提出了故障风险的概念。
Necessary improvements are made on the key structure of cross-flight, so that decrease the equipment failure rate, prolong the successive operating time, obtain good benefit for the enterprise.
拆除若干组损坏频繁的十字抄板，代之以升举抄板，改造后设备故障率降低，连续运行时间延长，企业效益提高。
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