water-bearing strata 含水地层
coal-bearing strata [地质] 含煤地层
surface water-bearing strata 地表水层
The Permo Carboniferous is the main coal bearing strata in Henan Province.
石炭—二叠纪地层是河南省主要含煤地层。
Coal geology emphatically studies always stratigraphy and sedimentology of coal and coal-bearing strata.
煤地质学一直偏重于对煤和含煤地层的地层学和沉积学的研究。
Coal geology emphatically studies always stratigraphy and sedimentology of coal and coal bearing strata.
煤地质学一直偏重于对煤和含煤地层的地层学和沉积学的研究。
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