单词	水平面--水位
释义	水平面；水位water level
随便看	over all efficiency over-all efficiency overall efficiency overall efficiency--gross efficiency overall efficiency-- total efficiency overall efficiency; total efficiency overall efficlency overall energy balance overall energy efficiency overall enrichment per stage overall entropy balance overall error overall estimate overall fractional yield over-all gain over-all gamma overall gamma overall gear ratio overall generator efficiency overall guideline overall heat balance overall heat of reaction overall heat-transfer overall heat transfer coefficient overall heat-transfer coefficient