- 更多网络例句与明矾页岩相关的网络例句 [注：此内容来源于网络，仅供参考]
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They are termed 'Orsten' fossils from the name of the oily alum shale deposits in Sweden where they were first found; similarly fine preservation has since been found elsewhere.
它们之所以被称为&奥斯坦&化石，是因为它们在瑞典首次被发现的含油明矾页岩沉积层名为&奥斯坦&；保存同样完好的化石后来也在其他地方发现了。
- 更多网络解释与明矾页岩相关的网络解释 [注：此内容来源于网络，仅供参考]
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alum shale：明矾页岩
alum coal 煤垩 | alum shale 明矾页岩 | alum shear bushing 铝制剪切套
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alum shale concrete：明矾页岩混凝土
alum shale 明矾页岩 | alum shale concrete 明矾页岩混凝土 | alum slate 明矾板岩