单项选择题
A.0 B.5 C.10 D.-5
A.主要使用功能 B.隔墙 C.卫生洁具 D.门窗配件
A.1/4 B.1/3 C.1/5 D.2/3
A.5dB.4dC.6dD.7d
A.8%;10%B.7%;6%C.10%;7%D.6%;8%
A.3h B.4h C.5h D.2h
A.100mm;1800mmB.100mm;1500mmC.100mm;1600mmD.100mm;2000mm
A.50mmB.60mmC.80mmD.100mm
A.2mm3mm B.2mm5mm C.3mm3mm D.3mm5mm
A.1000mm B.1100mm C.1200mm D.1300mm
A.200mm B.100mm C.300mm D.500mm