A.s=40mm B.s=0.008b C.s=0.012b D.s=0.010b
A.直徑0.8m的圓形鋼板B.0.7m×0.7m的方形鋼板C.直徑0.5m的圓形鋼板D.0.5m×0.5m的方形鋼板
A.膠基箔式應(yīng)變計(jì) B.紙基應(yīng)變計(jì) C.全橋式應(yīng)變計(jì) D.半橋式應(yīng)變計(jì)