Do not use a hair dryer or other direct heat source.
不要使用电吹风或其他直接热源。
There are two kinds of drum dryer: direct heat transmission rotary drum dryer and indirect heat transmission rotary drum dryer.
转筒烘干机有两种直接传热转筒烘干机和间接传热转筒烘干机。
Rotary dryer is suitable to be promoted for civil sewage sludge industrial drying, but the lack of model to direct the rotary sludge drying process to cause its further promote limited.
转筒干燥机是一种适合污泥工业干燥的推广机型，但缺少模型指导污泥转筒干燥过程，使其进一步推广受到限制。
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