综合分析了煤矿井下爆破作业中产生拒爆的主要原因，并根据《煤矿安全规程》和《爆破安全规程》提出了预防拒爆的措施以及正确处理拒爆的办法。
The misfire causes in coal mine blasting are analyzed. Based on the "coal mine safety regulation" and "blasting safety regulations", the preventing and handling measures are put forward.
根据现行标准规程的要求，通过实例探讨了如何实施夹套容器的整体热处理，并分别对各种方案的安全性进行了分析。
In conformity to the current standards and codes, the integral heat treatment of the vessels with jacket, in this article, was discussed with practical example.
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