... overlying sand 上覆砂层 overlying measures 超覆岩层 overlying epithelium 慢性炎症及重叠上皮 ...
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overlying strata of coal measures 煤系盖层 ; 含煤岩系盖层
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There used to be igneous intrusions into coal measures and overlying strata in the Hanxing coalfield.
邯邢煤田煤系及其上覆地层中常有岩浆岩侵入体穿插。
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