“natural ventilation of swine building”的概念、定义、翻译、参考文献-科学参考

单词	natural ventilation of swine building
释义	natural ventilation of swine building Encyclopedia 农学[猪生产学]释 natural ventilation of swine building猪舍自然通风通过猪舍内外空气温差、密度差和风压作用实现猪舍内外空气交换的方式。
随便看	grain mill chariot grain orientation grain oriented silicon steel grain processing factory grain production policy grain products grain protection price policy grain protruding height Grain Rain grain refinement strengthening grain refiner grain refining Grain Requisition grain reserve policy grainsafe storage grain-saving dwarf layer grain shape grain size grain size accomulation curve grain size analysis grain size modulus grain size parameters grain sorghum grain storage grain storage technology

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