Test method for critical radiant flux of exposed attic floor insulation using a radiant heat energy source 利用輻射熱能源測定暴露的頂樓地板絕緣臨界輻射通量的方法
Standard test method for critical radiant flux of exposed attic floor insulation using a radiant heat energy source 暴露于輻射熱能源的擱樓地板絕緣的臨界輻射通量的標(biāo)準(zhǔn)試驗方法