A.9% B.10% C.12% D.15%
A.1/3 B.2/3 C.1/2 D.3/4
A.水落口周围直径300mm范围内坡度不应小于3% B.水落口周围直径300mm范围内坡度不应小于5% C.水落口周围直径500mm范围内坡度不应小于3% D.水落口周围直径500mm范围内坡度不应小于5%
A.3 B.5 C.6 D.10
A.±15mm;±20mm;±10mm B.±10mm;±20mm;±15mm C.±10mm;±20mm;±10mm D.±10mm;±15mm;±20mm