標(biāo)題: ASTM E 1980-2001 計(jì)算水平和低斜度無(wú)光澤表面太陽(yáng)反射光指... [打印本頁(yè)] 作者: 兌水 時(shí)間: 2009-11-10 15:42 標(biāo)題: ASTM E 1980-2001 計(jì)算水平和低斜度無(wú)光澤表面太陽(yáng)反射光指... E1980-01 Standard Practice for Calculating Solar Reflectance Index of Horizontal and Low-Sloped Opaque Surfaces