常見例句雙語例句Some in the FDA recommend doing away with the combo products and requiring better designed and standardized dosing devices.FDA推薦取消套裝產(chǎn)品,并要求給藥量具標準化和設計得更好。Pretreatment system generally includes the original pumps, dosing devices, quartz sand filter, activated carbon filter, precision filter and so on.預處理系統(tǒng)一般包括原水泵、加藥裝置、石英砂過濾器、 活性炭過濾器、精密過濾器等。 返回 dosing device