材、涂膜的基层宜设找平层,整体现浇混凝土板及整体材料保温层采用细石混凝土时找平层厚度分别为( )。( )
A.20-30mm 20-30mm B.30-35mm 30-35mm C.20-30mm 20-30mm D.20-30mm 20-30mm正确答案B
材、涂膜的基层宜设找平层,整体现浇混凝土板及整体材料保温层采用细石混凝土时找平层厚度分别为( )。( )
A.20-30mm 20-30mm B.30-35mm 30-35mm C.20-30mm 20-30mm D.20-30mm 20-30mm正确答案B