Obtained gas emission regularity of working face by detection on gas emission,offered reference parameters to the similar condition working face for gasproof.
Excavate coal is primary production link in coal mine production, therefor, Weaving excavate coal working face supersedure plan has instructional meaning.
The technical measures and structure,applied principles of blastproof of ventilation shaft at excavating face,specific operational method and prospective effect are described.
So the way I work is always informed by me being on the ground, in the field and having essentially walk the walk and talk the talk with the people who are at the coalface.
作面快速推进技术是可行的。
数的测定，得
似
11
集
方式总是由我
现场、
