单项选择题
A.11.4(Ⅳ) B.13.5(Ⅳ) C.14.3(Ⅳ) D.29.3(V)
A.24 mm B.36 mm C.48 mm D.60 mm
A.13.95 kPa B.16.33 kPa C.17.03 kPa D.17.43 kPa