A.1.870m,16.014m B.2.882m,16.014m C.1.870m,15.546m D.2.882m,17.026m
A.1.0~5.0 B.1.5~5.0 C.5.0~15 D.7.0~15
如圖所示,某多跨靜定梁,DE跨受均布荷載10kN/m作用,則支座D的反力大小為()kN。
A.20 B.40 C.60 D.80