粉状物质
- 网络powder
粉状物质-
粉状物质定量取料给料实验装置设计换风装置空气供给装置
Design of Quantitative Supply Experimental Device of Powder Materials dilution air plant
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该种新型复合材料的磨擦系数、透气性和透湿性能符合国标要求，因而适合干燥粉状物质的包装。
The friction coefficient , ventilated capability and moisture permeability of the compound material meet the qualification of the national standard , therefore , it is suitable to pack the dry powder materials .
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应用中的阀门如果出现脱锌现象，在产品表面就会出现粉状物质或矿物污点。
An in service valve suffering from Dezincification has a white powdery substance or mineral stains on its exterior surface .
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粉状松针生物活性物质的研制和应用
Preparation and application of the powdered biologically active substance from pine needles and twigs