標(biāo)題: ASTM E 2302-2003 用便攜式反射計(jì)測(cè)定在漫射照明下公路標(biāo)記材... [打印本頁(yè)] 作者: 兌水 時(shí)間: 2009-11-17 20:49 標(biāo)題: ASTM E 2302-2003 用便攜式反射計(jì)測(cè)定在漫射照明下公路標(biāo)記材... E2302-03a Standard Test Method for Measurement of the Luminance Coefficient Under Diffuse Illumination of Pavement Marking Materials Using a Portable Reflectometer