A.梁頂相對(duì)于結(jié)構(gòu)層頂標(biāo)高下降0.22m B.梁底相對(duì)于本層結(jié)構(gòu)層標(biāo)高下降0.22m C.梁頂相對(duì)于本層結(jié)構(gòu)層頂標(biāo)高下降0.22m D.梁底相對(duì)于結(jié)構(gòu)層標(biāo)高下降0.22m
A.10d B.15d C.18d D.20d