Practices have proved that quick advancing techniqe is applicable in isolated unmined area Comprehensive top coal caving face.

实践证明,孤岛综放作面快速推进术是可行。

The technical measures and structure,applied principles of blastproof of ventilation shaft at excavating face,specific operational method and prospective effect are described.

介绍了掘进作面防炮崩风筒主要术措术结构、应用原理、用这项术具体操作方法达到预期效果。

Excavate coal is primary production link in coal mine production, therefor, Weaving excavate coal working face supersedure plan has instructional meaning.

是矿生产中主要生产环节,因而编制作面接替计划对矿生产具有指导性意义。

Obtained gas emission regularity of working face by detection on gas emission,offered reference parameters to the similar condition working face for gasproof.

通过对作面瓦斯涌出参数测定，得出了作面瓦斯涌出规律。为相似作面瓦斯治理提供了参考数据。