And may to the hydraulic oil pollution of quantitative analysis and evaluation, do online testing and failureprevention.
而且可对液压油进行定量的污染分析和评价，做到在线检测和故障预防。
2
On the basis of failureprevention, the working thought, procedure and dialectical methodology of failureanalysis were discussed, and the future of failure analysis was viewed.
以防止失效为出发点，论述了失效分析的工作思路、程序和辩证方法； 展望了失效分析的未来。
3
It is very important for improving drilling rate, reducing drilling cost and safety drilling to carry out drill stem failureanalysis and prevention.