英漢例句雙語例句The hills are largely carboniferous limestone, which is quarried at several sites.從多處遺址的挖掘來看,這片丘陵大部分屬石炭紀石灰?guī)r。The main Mg-carbonate body is hosted by Carboniferous limestone and dolomitic limestone, while footwall black schists contain thin carbonate lenses replaced by Fe-carbonates.其鎂質(zhì)碳酸鹽礦體賦存于石炭紀石灰石和含白云石的石灰石中,同時下盤黑色片巖中也含有被鐵質(zhì)碳酸鹽交代的薄層碳酸鹽透鏡體。The Carboniferous limestone system are thin layers of limestone. Those which influence coal extraction are mainly single layers of limestone over 4m thick at the bottom of Taiyuan System.石炭系灰?guī)r為薄層灰?guī)r,對煤層開采有影響的灰?guī)r主要是太原統(tǒng)底部單層厚度超過4米的灰?guī)r層。carboniferous limestone更多例句詞組短語短語carboniferous siliceous limestone 含碳硅質(zhì)灰?guī)rThe Lower Carboniferous limestone 下石炭統(tǒng)灰?guī)rcarboniferous limestone更多詞組