單項(xiàng)選擇題
A.1.0mm B.1.5mm C.1.2mm D.2.0mm
A.3° B.4° C.5° D.6°
A.30°-45° B.15°-45° C.15°-60° D.45°-60°
A.單咬口 B.立咬口 C.雙咬口 D.按扣咬口
A.10mm B.15mm C.16mm D.25mm
A.0.2---2mm B.0.5---2mm C.0.5---3mm D.0.5---2.5mm
A.500mmX1800mm B.450mmX1800mm C.450mmX2000mm D.600mmX1800mm
A.0.3-0.5mm B.0.2-0.4mm C.0.3-0.4mm D.0.4-0.5mm
A.0.02mm B.0.05mm C.0.03mm D.0.04mm