这样的设计可以保证空气流通、减小真菌腐化谷物并阻止一些啮齿类动物破坏谷物。
That would have allowed air to circulate, reducing the risk of fungal spoilage and providing some protection against rodents.
例如，塔中心设计成一种烟囱的样式，保证空气流通，用以供给自然通风。
For example, the central tower will serve as a kind of chimney that keeps air flowing to provide natural ventilation.
手动除霜器， 配置了大容量融水箱，可以容纳除霜时融化的水，而且有特殊设计，允许有适当的空气流通。
The manual defrost type, shall be provided with an easily removable drip tray of sufficient capacity to hold all the defrost water and designed to permit a proper air circulation.
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