powdery substance

常见例句

双语例句

• Whole wheat flour is a powdery substance derived by grinding or mashing the wheat's whole grain.
  全麦面粉是由研磨或捣碎整个小麦所得。
• An in service valve suffering from Dezincification has a white powdery substance or mineral stains on its exterior surface.
  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。
• The physical attributes of an in-service valve with Dezincification includes a white powdery substance or mineral stains on its exterior surface.
  使用中的阀门出现失锌想象时的物理特征包括：在外表面出现白色粉末或 矿物污点。
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权威例句

• The powdery lignin, once separated from the cellulose, is a very useful substance in its own right.
  FORBES: Ethanol
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