A.10~20mm B.20~40mm C.50~100mm D.100-150mm
A.標(biāo)準(zhǔn)化、一體化設(shè)計(jì) B.設(shè)計(jì)與施工緊密結(jié)合 C.設(shè)計(jì)與施工 D.竣工分部、分項(xiàng)抽檢
A.50mm B.100mm C.150mm D.200mm