A.1m B.2m C.4m D.10m
A.35d(d為鋼筋直徑)長(zhǎng)度范圍內(nèi) B.不小于500mm C.35d(d為鋼筋直徑)長(zhǎng)度范圍內(nèi),但不小于500mm D.35d(d為鋼筋直徑)長(zhǎng)度范圍內(nèi),但不小于350mm
A.98% B.96% C.94% D.93%