The optimum aperture of an aerator is smallest at the water depth of 4 m.一般水深在4m左右,曝气器的最优孔径最小.You know there's some debate among chiropractors about the optimum IeveI of mattress tension.你知道吗?有些神经病理学家对最佳的床褥硬度争论不休.Th...
the optimum use of resources对资源的充分利用Do you know the optimum temperature for the growth of plants?你知道庄稼生长的最佳温度 吗 ?Now your advice is very optimum.现在你的建议是很适宜的....