“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	zonation zonda zone zone axis zone bit zone blanking zone charge zone control zoned decimal zone description zone fire zone heat zone indices zone law zone marker zone melting crystallization zone meridian zone noon zone of accumulation zone of aeration zone of avoidance zone of cementation zone of illuviation zone of intersection zone of maximum precipitation

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