Swine manure composting with straw, was operated with mechanical aeration and artificial turning and conducted at low air temperature.
研究机械强制通风、人工翻堆以及低温对猪粪堆肥的影响。
The pattern of aeration duct plays an important role in the efficiency and uniformity of mechanical aeration utilization for grain storage.
通风地槽的形式对粮仓机械通风的效率和均匀性等设计指标具有重要作用。
The carriers are kept in suspension and continuous movement in the water by aeration or mechanical mixing.
该填料在水中通过曝气或机械搅拌保持悬浮和持续运动。
The carriers are kept in suspension and continuous movement in the water by aeration or mechanical mixing.
该填料在水中通过曝气或机械搅拌保持悬浮和持续运动。
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