coal face

n.

因开采而露出的煤面，煤的采掘现场；

Exploring ecosystem-based adaptation in Durban, South Africa: “Learning-by-doing” at the local government coal face
Study on pattern and control of gas emission at coal face in china
Why randomized controlled trials fail but needn't: 1. Failure to gain "coal-face"commitment and to use the uncertainty principle.
Application of Genetic Programming to Predicting the Amount of Gas Emitted from Coal Face
Application of gene expression programming in predicting the amount of gas emitted from coal face
Prediction of coal face rockbursts and microseismicity in deep longwall coal mining
A view from the coal face: UK research student perceptions of successful and unsuccessful collaborative projects
The numerical simulation of distribution law of temperature field in coal face
Hazards of rock burst in island coal face and its control
Study of electromagnetic characteristics of stress distribution and sudden changes in the mining of gob-surrounded coal face