词汇	交-交变流器
释义	交-交变流器医direct AC convertor
随便看	Return on common stock equity return on court return one has unlawfully taken return on equity return on equityroe return one's income at return one's steps return on funds return on gross assets return on invest return on invested capital return on investment return-on-investment return on investment capital return-on-investment pricing return on investment ratio return on investmentroi return on investmentROI return on investment roi Return on investments return on marketing investment return on net assets return on net worth return on noncarry return on nonzero