英语词汇“mining shield”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	mining shield
释义	mining shield 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.
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