powdery substance

基本解釋

• 粉末狀物質(zhì)

英漢例句

雙語例句

• 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(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)用中的閥門如果出現(xiàn)脫鋅現(xiàn)象，在産品表麪就會(huì)出現(xiàn)粉狀物質(zhì)或鑛物汙點(diǎn)。
• The physical attributes of an in-service valve with Dezincification includes a white powdery substance or mineral stains on its exterior surface.
  使用中的閥門出現(xiàn)失鋅想象時(shí)的物理特征包括：在外表麪出現(xiàn)白色粉末或 鑛物汙點(diǎn)。
  http://dj.iciba.com

權(quán)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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專業(yè)釋義

環(huán)境科學(xué)技術(shù)

• 粉末狀物質(zhì)