A.0.035 B.0.059 C.0.118 D.0.129
A.nf=1 B.nf=2 C.nf=4 D.nf=18
A.預(yù)拉力 B.預(yù)拉力之和 C.滑動(dòng)荷載 D.預(yù)壓力