3,2,5/3,3/2,()
A.7/5
B.5/6
C.3/5
D.3/4
:2/13,4/11,2/3,8/7,2,()。A.4/5B.4C.5/3D.3
:3,2,5/3,3/2,()A.7/5B.5/6C.3/5D.3/4
:2,5/3,3/2,7/5,()A.7/5B.5/6C.3/5D.4/3
3,2,5/3,3/2,() A.7/5B.5/6C.3/5D.3/4
2,5/3,3/2,7/5,() A.7/5B.5/6C.3/5D.4/3
仪器最大被测值宜在满量程的()范围内A、1/7~2/5B、1/5~2/3C、2/5~1/2D、1/2~2/3