A.Ф10@100/200(4) B.Ф8@100(4)/200(2) C.13Ф10@100/200(4) D.18Ф10@100(4)/200(2)
A.上部通長(zhǎng)筋B.支座負(fù)筋C.架立筋D.腰筋
A.向上取整 B.向上取整-1 C.向上取整+1 D.不取整