A.30℃ B.40℃ C.50℃ D.60℃ E.70℃
A.0.5L/min B.1~2L/min C.2~4L/min D.6~8L/min E.8~10L/min
A.20~30ml B.30~50ml C.40~80ml D.50~100ml E.100~50ml