“sand-shale ratio”的概念、定义、翻译、参考文献-科学参考

单词	sand-shale ratio
释义	sand-shale ratio [`san `shāl `rā·shō] ^GEOLOGY The ratio between the thickness or percentage of sandstone and that of shale in a geologic section.
随便看	blocked operation blocked-out ore blocked reading frame blocked resistance blocked-up block encryption blocker-type forging blockette block faulting block glide block grease block-grid keying block head block hole blockhouse block identifier block ignore character blocking blocking and wedging blocking antibody blocking anticyclone blocking capacitor blocking factor blocking group blocking high

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