工艺排风
tecnnological air exhaust
工艺排序优化
process sequence and optimization
半连续开采工艺
Cyclic-flow mining technology
长庆石油勘探局钻采工艺研究院
changqing petroleum exploration administration
抽采工艺
gas extraction technology
Gas drainage technology
调斜旋转回采工艺
roll steering revolving coal winning craft
反铲开采工艺
backacter mining technology
回采工艺
overhead mining technology
extraction process
extracting technology
mining technology
Extraction technology
stoping technology
stoping
mining process
回采工艺优化
mining technology optimization
开采工艺
mining process
mining technology
oil production technology
production technology
mining processing
production practice
mining method
开采工艺优化
mining process optimization
拉铲倒堆开采工艺
dragline stripping system
辽河油田分公司钻采工艺研究院
The Drilling and Oil Production Technology Research Institute of Liaohe Oil Field Company
溶采工艺
mining technology by means of solubilizing
石油钻采工艺
oil drilling & production technology