英语词汇“lower devonian”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	lower devonian
释义	Lower Devonian Lower Devonian [′lō·ər də′vō·nē·ən] (geology) The earliest epoch of the Devonian period of geologic time, extending from about 400- to 385,000,000 years ago.
随便看	constant voltage transformer constant-voltage transformer constant volume air handling unit constant volume balloon constant volume box constant-volume calorimeter constant volume combustion constant volume combustion apparatus constant volume gas thermometer constant-volume gas thermometer constant volume sampler constant volume sampling constant volume system constant wattage autotransformer constant-wattage ballast constant wear garment constant weight code constant weight no fins constant weight uniflex steel constant weight vector constant-width font constant width slot antenna constant wind constant with temperature constant work in process

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Lower Devonian