A.0.5% B.0.8% C.1.0% D.1.2%
A.靜荷載試驗(yàn) B.動(dòng)測(cè)法 C.低應(yīng)變 D.高應(yīng)變
A.30cm,15cm B.15cm,30cm C.10cm,20cm D.20cm,10cm