coalpit

n.

煤坑，烧焦炭的地方；煤矿；炭坑；

Coalpit Gulch Creek
Energy saving coalpit
Influence of Small Coalpit Developing on Environment And Soil And Water Conservation
On indication of treatment design for goaf at coalpit along some road in Shanxi
Geotech Prospecting and Engineering Evaluation of the Coalpit Area in Mozuo Railway
Prediction of the Influence Caused by the Coalpit Water Supply's Pumpage on the Yanhe Spring Discharge
PALAEOBOTANICAL INVESTIGATION OF A NEGLECTED COALFIELD: THE COALPIT HEATH BASIN OF THE BRISTOL COALFIELD
ELECTROCHEMICAL CORROSION BEHAVIOR OF 27SiMn STEEL IN AN ENVIRONMENT OF A LIGNITE COALPIT
The evolutionary lineage of Petalolithus to Cephalograptus: evidence from Coalpit Bay, Northern Ireland
Comprehensive geophysical prospecting method in special railway line of coalpit goaf detection application of pingshuo eastern open-...