A.扭板式、梁承式、墻承式 B.梁承式、扭板式、墻懸臂式 C.墻承式、梁承式、墻懸臂式 D.墻懸臂式、扭板式、墻承式
A.60~150mm B.100~200mm C.60~200mm D.60~150mm
A.≥1200mm B.≥1100mm C.≥1500mm D.≥1300mm