(A)3 (B)1/6 (C)1/3 (D)1/2
A.0.125 B.0.25 C.0.35 D.0.50
(A)2.5~3mm (B)2.0~2.5mm (C)1.5~2.5mm (D)1.5~3mm
A.中间验收检查 B.竣工验收检查 C.隐蔽前 D.隐蔽后
A.0.3mm B.0.5mm C.0.8mm D.0.2mm