“pneumatic lighting”的概念、定义、翻译、参考文献-科学参考

单词	pneumatic lighting
释义	pneumatic lighting [nu̇`mad·ik `līd·iŋ] ^{MINING ENGINEERING} Lighting of underground chambers by a compressed-air turbomotor driving a small dynamo.
随便看	bogey bog harrow boghead cannel shale boghead coal bogie bog iron ore bog manganese bog-mine ore ECM ecmnesia ecnephias eco ecocline ecofallow ecological association ecological climatology ecological community ecological interaction ecological physiology ecological pyramid ecological succession ecological system ecology ecomania econometrics

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