單項選擇題
A.0.5 B.1 C.1.5 D.2
A.450 B.500 C.550 D.600
A.200 B.250 C.300 D.350
A.3 B.4 C.5 D.6
A.2A B.10±2A C.17±2A D.20±2A
A.1180mm B.1280mm C.1214mm D.1230mm
A.1180mm B.1280mm C.1304mm D.1230mm
A.22~24KN B.24~26KN C.27~30KN D.30~33KN
A.3mm B.3.2mm C.3.5mm D.4mm
A.3.9N B.3.92N C.4N D.4.12N