單項選擇題
A.lO h B.16 h C.20 h D.24 h
A.1/3 B.1/4 C.1/5 D.1/6
A.0.5%~1% B.1%~1.5% C.1.5%~2% D.2.5%~3%
A.受潮 B.沖撞 C.摔傷 D.缺損
A.10 h B.15 h C.16 h D.18 h
A.75% B.85% C.90% D.80%
A.10° B.15° C.30° D.45°
A.±5mm B.±15 mm C.±20 mm D.±25 mm
A.±5 mm B.±10 mm C.±12.5mm D.±15 mm
A.±1 mm B.±2 mm C.±2.5 mm D.±3 mm
A.±10 mm B.±15 mm C.±5 mm D.±20 mm