单项选择题
A.3sB.4sC.8sD.9s
A.80°~100°B.90°~110°C.100°~120°D.70°~90°
A.60%B.70%C.80%D.90%
A.30hB.60hC.90hD.120h
A.6sB.7sC.8sD.9s
A.25°B.30°C.35°D.40°
A.100℃B.110℃C.120℃D.130℃
A.15~20mmB.20~25mmC.25~30mmD.30~35mm
A.230~250kpaB.250~270kpaC.270~290kpaD.290~310kpa
A.312~394N·mB.294~372N·mC.212~294N·mD.172~276N·m
A.48~58N·mB.58~68N·mC.68~78N·mD.78~88N·m