The technique of gas pipe connecting with internal gas pressure independent-ly developed by MaSteel is introduced and the process and operative procedure of applying the technique are specifically discussed. The technique is table, high efficiency, safe and practical.%介绍了马钢自主研发的一种煤气管道带煤气压力接管工艺，具体阐述了其工艺过程及操作步骤，该工艺具有稳定、高效、安全、实用性强的特点。
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