单选题
沥青密度与相对密度试验，对黏稠石油沥青及液体沥青，重复性试验的允许差为()；复现性试验的允许差为()。
A0.003g/cm3,0.007g/cm3
B0.003g/cm3,0.006g/cm3
C0.002g/cm3,0.007g/cm3
D0.002g/cm3,0.006g/cm3
正确答案
答案解析
对黏稠石油沥青及液体沥青的密度，重复性试验的允许误差为0.003g/cm3；再现性试验的允许误差为0.007g/cm3。