“return air level”的概念、定义、翻译、参考文献-科学参考

单词	return air level
释义	return air level Encyclopedia 工学开拓工程释 return air level回风水平用来排出井下采场内污风的主要水平巷道所处的水平。
随便看	defect of a spline defect of a triangle defect of block defect of dentition defectof formation of railway defect of illumination defect of knitted fabric defectoscope defectoscopy defect relation defects in ceramics defects in growth sector boundary defects in semiconductors compound defects of continuous casting slab or billet defects of oil and gas pipeline body defects of wood due to biological damage defect space defect state defect subgroup defect subspace defect theorem defence Defence Horizon Defence Meteorological Satellite Program satellite Defence of Poetry

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