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(.*Û}¼õ±Qbbs.3c3t.com/ÕÙa?Ì[
)。.*Û}¼õ±Qbbs.3c3t.com/ÕÙa?Ì[
A. 三个加荷点.*Û}¼õ±Qbbs.3c3t.com/ÕÙa?Ì[
.*Û}¼õ±Qbbs.3c3t.com/ÕÙa?Ì[
B. 两个加荷点 .*Û}¼õ±Qbbs.3c3t.com/ÕÙa?Ì[
C. 两加荷点位于标距三等分处.*Û}¼õ±Qbbs.3c3t.com/ÕÙa?Ì[
.*Û}¼õ±Qbbs.3c3t.com/ÕÙa?Ì[
D. 两加荷点位于三等分标距处.*Û}¼õ±Qbbs.3c3t.com/ÕÙa?Ì[