“自然通风换气次数”的概念、定义、翻译、参考文献-科学参考

单词	自然通风换气次数
释义	自然通风换气次数 Encyclopedia 工学绿色建筑释 nature ventilation air exchange rate自然通风换气次数依靠室外风力造成的风压和空气温度差造成的热压，促使空气流动造成的建筑室内外空气交换。
随便看	=graded index 陡度折射率 graded junction graded lattice graded Lie algebra graded manifold graded medical treatment graded module graded morphism graded object graded pn junction graded-polarizable graded projective dimension graded protection of wild plants graded [refractive] index graded refractive index graded ring graded R nodule graded R-nodule graded sheaf graded space graded submodule Graded Supplementary Readings for Primary School Students graded-tailings filling system graded technique grade inflation

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