“coal ball”的概念、定义、翻译、参考文献-科学参考

单词	coal ball
释义	coal ball Encyclopedia 理学古植物学释 coal ball煤核产在煤层中的钙质或镁质结核。
随便看	Argentina Unión Civica Radical Argentine Basin Argentine Constituent Congress of 1813 Argentine Constituent Congress of 1824 Argentine Constitution of 1819 Argentine Constitution of 1826 Argentine Constitution of 1853 Argentine Drama Argentine Institute of Radio Astronomy Argentine music Argentine private international law Argentine Socialist Party Argentine Trade Promotion Institute argentite argentometer argentum argic horizon argid sawfly Argi-Kucha script argillaceous desert argillaceous rock argillaceous source rock argillification arginase arginine

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