“Harlechian”的概念、定义、翻译、参考文献-科学参考

单词	Harlechian
释义	Harlechian [här`lek·ē·ǝn] ^GEOLOGY A European stage of geologic time: Lower Cambrian.
随便看	drill stem drill-stem test drill string drill weave Drilonematoidea drip drip cap drip-dry drip edge dripping drop atomization dripstone drive drive chuck drive control drive fit drivehead driveless work station drive light driveline driven array driven blocking oscillator driven caisson driven element driven gear driven snow

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