coal measures
coal-measures的词性:
pl.n.Geology (复数名词)【地质学】
1. Coal Measures A stratigraphic unit equivalent to the Pennsylvanian or Upper Carboniferous periods.
Coal Measures 煤系:地层单位,相当于美国宾夕法尼亚纪或上石炭纪时期的地层单位
2. Strata of the Carboniferous period containing coal deposits.
地层:石炭纪时期有煤层的地层