powdery substance

基本解释

Whole wheat flour is a powdery substance derived by grinding or mashing the wheat's whole grain.
全麥麪粉是由研磨或擣碎整個小麥所得。
An in service valve suffering from Dezincification has a white powdery substance or mineral stains on its exterior surface.
應用中的閥門如果出現脫鋅現象，在産品表麪就會出現粉狀物質或鑛物汙點。
The physical attributes of an in-service valve with Dezincification includes a white powdery substance or mineral stains on its exterior surface.
使用中的閥門出現失鋅想象時的物理特征包括：在外表麪出現白色粉末或鑛物汙點。
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The powdery lignin, once separated from the cellulose, is a very useful substance in its own right.
FORBES: Ethanol