英语词汇“pneumatic lighting”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	pneumatic lighting
释义	pneumatic lighting pneumatic lighting [nu̇′mad·ik ′līd·iŋ] (mining engineering) Lighting of underground chambers by a compressed-air turbomotor driving a small dynamo.
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