“gas emission from goaf”的概念、定义、翻译、参考文献-科学参考

单词	gas emission from goaf
释义	gas emission from goaf Encyclopedia 工学瓦斯涌出释 gas emission from goaf釆空区瓦斯涌出从采空区中的遗煤、煤柱、围岩和邻近层向矿井生产空间释放出瓦斯的现象。
随便看	straight drawing straightedge straight edge diffraction straightenable dynamical system straightener straightening straightening law straightening of the angle straightening theorem straightest path straight eyepiece straight fan straight fertilizer straight filament straightforward straightforward calculation straight helicoid straight knife cutting machine straight line straight-line arithmetic program straight line composition straight-line direction straight-line linkage straight-line method straight line motion

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