混凝土抗折强度试验采用三分点处双加荷装置,下列说法中正确的是((btu¢Ü@¿¥bbs.3c3t.comJP\yKËÑ
)。(btu¢Ü@¿¥bbs.3c3t.comJP\yKËÑ
A. 三个加荷点(btu¢Ü@¿¥bbs.3c3t.comJP\yKËÑ
(btu¢Ü@¿¥bbs.3c3t.comJP\yKËÑ
B. 两个加荷点 (btu¢Ü@¿¥bbs.3c3t.comJP\yKËÑ
C. 两加荷点位于标距三等分处(btu¢Ü@¿¥bbs.3c3t.comJP\yKËÑ
(btu¢Ü@¿¥bbs.3c3t.comJP\yKËÑ
D. 两加荷点位于三等分标距处(btu¢Ü@¿¥bbs.3c3t.comJP\yKËÑ