单项选择题
A.5-8mm B.8-12mm C.3-5mm D.10-15mm
A.3-5mm B.5-8mm C.8-12mm D.15-20mm
A.地板铺完后人行走时有声响 B.拼缝不严 C.木踢脚板出墙厚度不均匀 D.地板面平整度超过允许偏差