英语词汇“parts per billion concentration”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	parts per billion concentration
释义	parts per billion concentration PPB浓度
随便看	drug property drug property verse drug prophylaxis drug proportion Drug Prospecting drug-protein binding Drug-protein binding drug-protein binding displacement drug prototype drug psychopathy Drug Psychoses drug psychosis Drug Pulse Therapies drug pulse therapy drug pump drug pupillary reaction drug purchase Drug purchase plan drug purchasing Drug-purchasing preference drug purpura drugpusher drug pusher drug-pusher drug pushers