“drawing timber”的概念、定义、翻译、参考文献-科学参考

单词	drawing timber
释义	drawing timber [¦drȯ·iŋ `tim·bǝr] ^{MINING ENGINEERING} The act of withdrawing timber and other supports from abandoned or worked-out mines.
随便看	sunshine recorder sunshine unit sunspot sunspot cycle sunspot maximum sunspot number sunspot relative number sunstone sun strobe sunstroke sun's way SUn symmetry sun-synchronous orbit Suoidea sup superacid superadditive function thermal mapper thermal metamorphism thermal microphone thermal neutron thermal noise thermal noise generator thermal ohm velocity distribution

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