perc

例句:

• Nez Perc ? eader who conducted a skillful but unsuccessful retreat from U.S. forces ( 1877 ).
  约瑟夫内兹佩尔塞人首领,他曾娴熟地指挥过一次从美国军队那里的撤军,但未成功 ( 1877年 )
  
• Synthetic solvents, the most common of which is Perchloroethylene ( PERC ) are nonflammable halogenated hydrocarbons.
  合成溶剂, 最常见的是氯乙烯 ( perc ) 是不燃卤代烃.
  
• PERC firmware update is in progress. This may take a few minutes. Please wait.
  (正在进行PERC固件更新. 此过程可能需要几分钟. 请稍候. )
  
• Some in the industry say the environmental concerns over perc have been overblown.
  来自WSJ
• Both methane and ethane are produced in biomass burning, but perc is an industrial solvent.
  来自SA
• The Environmental Protection Agency has classified perc as a toxic air pollutant and potential human carcinogen.
  来自WSJ