“mining shield”的概念、定义、翻译、参考文献-科学参考

单词	mining shield
释义	mining shield [`mīn·iŋ ´shēld] ^{MINING ENGINEERING} A canopy or cover for the protection of workers and machines at the face of a mechanized coal heading.
随便看	heuristics Heusler alloy Hevea hevea rubber Hevelian halo Hevelius's parhelia hewettite hexacanth hexachlorobenzene hexachlorobutadiene hexachloroethane hexachlorophene hexachloropropylene hexacontane Hexacorallia hexacosane hexacosanoic acid hexactin Hexactinellida Hexactinosa hexad axis hexadecimal hexadecimal notation hexadecimal number system hexadentate ligand

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