“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	CTC ctDNA CTD recorder ctenidium Ctenodrilidae ctenoid scale Ctenophora Ctenostomata Ctenostomatida Ctenothrissidae Ctenothrissiformes ctn CTR C-tube bourdon element C-type asteroid C-type virus particle Cu cu cubanite cubature cube cubeb cubeb oil cube ore cube root

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