This method had low failure rate and well separation of measured normal and abnormal regions.
这种方法的失败率很低，且可精确区分正常心室壁与异常部位。
Compared to normal protection high-tension motor's microcomputer is fast, accurate, reliable, has low failure rate and convenient maintenance.
高压电动机的微机继电保护与常规保护相比，具有快速、准确、可靠、故障率低、维护方便等特点。
Field application has shown good effect. The rate of casing failure has reduced by over 20 percent, thus ensuring normal production in thermal recovery Wells.
经现场应用效果明显，可使套管损坏率下降20个百分点以上，从而保证了热采油井的正常生产。
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