“shales”可以造什么句,shales造句
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Induced porosity is typified by fracture development as found in some shales and limestones and by the vugs or solution cavities commonly found in limestones.
Thus clays and shales tend to be impermeable .
Induced porosity is typified by fracture development as found in some shales and limestones and by the vugs or solution cavities commonly found in limestones.
Thus clays and shales tend to be impermeable .