Open AccessDiscussion on Measuring of Effective Boring Time in Coal Seam Gas
Publication year - 2014
Publication title -
an fang ji shu
Language(s) - English
Resource type - Journals
eISSN - 2330-4677
pISSN - 2330-4685
DOI - 10.12677/jsst.2014.23003
Subject(s) - coal mining , petroleum engineering , coal , mining engineering , environmental science , geology , engineering , waste management