“parabituminous coal”的概念、定义、翻译、参考文献-科学参考

单词	parabituminous coal
释义	parabituminous coal [¦par·ǝ·bǝ`tüm·ǝ·nǝs `kōl] ^GEOLOGY Bituminous coal that contains 84-87% carbon, analyzed on a dry, ash-free basis.
随便看	pumping pumping frequency pumping level pumping loss pumping pressure pumping radiation pumping station pumping well pumpkin pump off pump oscillator puna punch punch card punched card punched-card accounting machines punched-card equipment punched-card field punched-card interpreter punched-card reader punched-card reproducer punched-card sorter punched-plate screen punched tape punched-tape reader

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