ASTM B117-09 Standard Practice for Testing Water Resistance of Coatings in 100 % Relative Humidity
ASTM B117-09 涂层在100%相对湿度下耐水性测试规程
ASTM B117-09 Standard Practice for Testing Water Resistance of Coatings in 100 % Relative Humidity
ASTM B117-09 涂层在100%相对湿度下耐水性测试规程