A.135° B.90° C.45° D.180°
A.25mm B.40mm C.50mm D.75mm
A.±10 B.±20 C.±30 D.±40
A.100mm B.200mm C.300mm D.400mm
A.1mB.2mC.3mD.4m
A.1/1000+10,且不应大25mm B.1/1500+10,且不应大于25mm C.1/2000+10,且不应大于25mm D.1/2500+10,且不应大于25mm
A.观察、手摸检查 B.观察 C.观察、手摸检查、检查施工记录 D.手摸检查、检查施工记录
A.1米 B.2米 C.3米 D.5米
A.0.5 B.0.8 C.1.2 D.1.5
A.80mm;200mm~300mm B.80mm;100mm~200mm C.100mm;200mm~300mm D.100mm;100mm~200mm