兑水 发表于 2009-11-17 20:49:10

ASTM E 2302-2003 用便携式反射计测定在漫射照明下公路标记材...

E2302-03a Standard Test Method for Measurement of the Luminance Coefficient Under Diffuse Illumination of Pavement Marking Materials Using a Portable Reflectometer
页: [1]
查看完整版本: ASTM E 2302-2003 用便携式反射计测定在漫射照明下公路标记材...