“Korfmann arch saver”的概念、定义、翻译、参考文献-科学参考

单词	Korfmann arch saver
释义	Korfmann arch saver [`kȯrf·män `ärch ´sāv·ǝr] ^{MINING ENGINEERING} A machine that uses a controlled hydraulic system to withdraw steel arches.
随便看	merocrystalline merogony merohedral meromictic meromixis meromorphic function meromyarian meromyosin Meropidae meroplankton merospermy Merostomata merosymmetric -merous Merozoa merozoite merozygote merrihueite Merrill-Crowe process merrillite Merrington effect Mersenne number Mersenne prime Mersenne's law Mersey yellow coal

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