單項(xiàng)選擇題
A.80~100 B.90~100 C.70~100 D.50~80
A.23°~25° B.26°~28° C.28°~30° D.34°~37°
A.5±79 B.5.79±0.03 C.7.72 D.7.72±0.03
A.5.79 B.5.79±0.03 C.7.72 D.7.72±0.03
A.進(jìn)氣0.28,排氣0.58 B.進(jìn)氣0.36,排氣0.69 C.進(jìn)氣0.25~0.30,排氣0.30~0.35 D.進(jìn)氣0.30~0.35,排氣0.35~0.4
A.進(jìn)氣0.28,排氣0.58 B.進(jìn)氣0.36,排氣0.69 C.進(jìn)氣0.25~0.30,排氣0.30~0.35 D.進(jìn)氣0.30~0.35,排氣0.35~0.40
A.進(jìn)氣0.28,排氣0.58 B.進(jìn)氣0.36,排氣0.69 C.進(jìn)氣0.20~0.30,排氣0.30~0.35 D.進(jìn)氣0.30~0.35,排氣0.35~0.40
A.75 B.76 C.77 D.78
A.進(jìn)氣30°,排氣30° B.進(jìn)氣45°,排氣45° C.進(jìn)氣60°,排氣45° D.進(jìn)氣30°,排氣45°
A.24 B.48 C.72 D.96