powdery substance

常見(jiàn)例句

Whole wheat flour is a powdery substance derived by grinding or mashing the wheat's whole grain.
全麥面粉是由研磨或搗碎整個(gè)小麥所得。
An in service valve suffering from Dezincification has a white powdery substance or mineral stains on its exterior surface.
應(yīng)用中的閥門(mén)如果出現(xiàn)脫鋅現(xiàn)象，在產(chǎn)品表面就會(huì)出現(xiàn)粉狀物質(zhì)或礦物污點(diǎn)。
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(mén)出現(xiàn)失鋅想象時(shí)的物理特征包括：在外表面出現(xiàn)白色粉末或礦物污點(diǎn)。
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The powdery lignin, once separated from the cellulose, is a very useful substance in its own right.
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