“coal mining”的概念、定义、翻译、参考文献-科学参考

单词	coal mining
释义	coal mining [`kōl ´mīn·iŋ] ^{MINING ENGINEERING} The technical and mechanical job of removing coal from the earth and preparing it for market.
随便看	flight-path computer flight-path deviation flight-path deviation indicator flight-path selector flight-path slope flight plan flight profile flight recorder flight rules flight science flight simulator flight stability flight test flight time flight track flight visibility flight-weather briefing FLIH flinching Flinders bar F line flinkite flint flint clay flint glass

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