opencast working
[ˈəupənkɑ:st ˈwɜ:kɪŋ]

释义

露天开采；

权威例句

Respiratory health effects of opencast coalmining: a cross sectional study of current workers.
Determination of the emission rate from various opencast mining operations
Soil physical parameters and earthworm populations associated with opencast coal working and land restoration
Spontaneous succession on opencast mining sites: implications for bird biodiversity
PM 10 levels in communities close to and away from opencast coal mining sites in Northeast England
Vibration control in an opencast mine based on improved blast vibration predictors
Assessment of the status of work zone air environment due to opencast coal mining
Raising the pH of high sulfate- and high Fe-content open-cast working waste ponds
Tracking and monitoring system for opencast mines
Development of Empirical Formulae to Determine Emission Rate from Various Opencast Coal Mining Operations