The vacuum drier of the invention has the advantages of simple production, wide application range, as well as comparatively high drying uniformity and efficiency.
本发明制造简单、应用范围广、干燥均匀性和干燥效率较高。
This is relatively easy when covering a small area, but it is difficult to maintain the uniformity, and thus the efficiency, of the cells over large areas.
如果只是小覆盖面的话，这还不难；若是大面积的电池，保持其一致性(即保持效率)就不容易了。
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。
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