單項(xiàng)選擇題
A.0.1 B.0.2 C.0.3 D.0.4
A.25~30kN B.26~30kN C.27~30kN D.28~30kN
A.1 B.1.5 C.2 D.2.5
A.1.5 B.2.5 C.3.5 D.4
A.5.5±0.245 B.4.9±0.245 C.5.7±0.245 D.6.2±0.245
A.0.5 B.0.7 C.1 D.1.5
A.不小于3mm B.不大于3.5mm C.不小于4mm D.不大于4mm
A.2+1mm B.2mm C.2±1mm D.3mm
A.0.4 B.0.6 C.0.8 D.1
A.0.1 B.0.2 C.0.01 D.0.02
A.一 B.二 C.三 D.四