A.開:780kPa以下,關(guān):600±10kPa B.開:880kPa以下,關(guān):560±10kPa C.開:710kPa以下,關(guān):590±10kPa D.開:690kPa以下,關(guān):580±10kPa
A.1 B.2 C.3 D.4
A.2.4.9.13 B.2.4.6.8 C.3.5.9.11 D.3.5.9.13