“gas content in coal seam”的概念、定义、翻译、参考文献-科学参考

单词	gas content in coal seam
释义	gas content in coal seam Encyclopedia 理学煤炭地质勘查释 gas content in coal seam煤层瓦斯含量煤层内单位重量或单位体积的煤在自然条件下所含的瓦斯量。
随便看	tracker tracker controller methodologies of steam turbine tracker solution track estimation track etch dosimeter track etching tracketching track etch survey accumulative Radon meter track following servo system track format track gage track geometry track gradient track group track-in-cleavage tracking Tracking and Data Relay Satellite tracking and data relay satellite system tracking and data-relay satellite system tracking and data relay satellite system, TDRSS tracking and data relay satellite system，TDRSS tracking and driving mechanism tracking and firing control tracking and identification tracking and observation

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