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  1. Experiment on Gas Explosion and Restricted Explosion in φ 700mm Pipeline

    直径700mm管道内瓦斯爆炸及抑爆试验

  2. Investigation on Preparation of φ 700mm Ultra-High Power Electrode Nipple

    φ700mm超高功率石墨电极接头的研制

  3. The use of integral-finned-tube heat exchangers of φ 700mm in Nanjing and Jingmen Refineries are described .

    本文介绍了φ700mm的螺纹管换热器,在南京炼油厂和荆门炼油厂的使用情况。