A.0.1~0.2倍 B.0.3~0.4倍 C.0.5~2.5倍 D.2.6~3.0倍
A.30°~50° B.50°~60° C.70°~90° D.100°~120°
A.1.1倍 B.1.3倍 C.1.4倍 D.1.5倍