这种方式，不仅出题不科学，工作效率低，随意性很大，而且考试成本高，质量参差不齐，甚至会由于种种原因导致泄密、失密。
The apply of artificial test mode demonstrates not only working efficiency low but also the quality is irregular, even can cause to divulge a secrets easily.
爆裂能真实的体现套管丧失密封完整性。
Burst can truly reflect the loss of seal integrity in casing.
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