powdery substance meaning in English
粉末状物质
Examples
- The physical attributes of an in - service valve with dezincification includes a white powdery substance or mineral stains on its exterior surface
应用中的阀门出现脱锌现象的物理特征是，在产品表面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。 - A letter containing a powdery substance is believed to be the source of the anthrax becteria that showed up as a skin rash on an nbc employee
一封带有粉状物质的信件被确定为炭疽热细菌的来源，因为一位nbc雇员已经由此得了皮炎。