“lump coal”的概念、定义、翻译、参考文献-科学参考

单词	lump coal
释义	lump coal [`lǝmp ´kōl] ^{MINING ENGINEERING} Bituminous coal that passes through a 6-inch (15- centimeter) round mesh in initial screening.
随便看	syrinx Syrphidae syserskite sysgen SYSIN syssiderite Systellomatophora system system analysis systematic analog network testing approach systematic desensitization systematic distortion systematic error systematic error-checking code systematic joints systematic nomenclature systematics systematic sampling systematic support system bandwidth system calendar system call system catalog system chart system check

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