成本追踪在销售订单层，而不是物料层。
Costs must be tracked at sales order level and not on material level.
干燥过程是热气流穿过物料层，定然成热量与质量的传递的过和。
Drying process is the duration of hot air flowing through material layer, where heat and quality is transmitted.
的气动喷嘴将粘合剂或包衣液喷入呈旋涡状的物料层，从而将粉体制成颗粒或获得连续均匀的衣膜。
Meanwhile the pneumatic nozzle installed under left wall spray binder or coating liquid into turbojet material, in this way granule or successive even film can be obtained.
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