A.高于熱風(fēng)壓力0.15MPa B.大于熱風(fēng)壓力0.25MPa C.大于熱風(fēng)壓力0.10MPa
A.0.1MPa B.0.15MPa C.0.35MPa D.0.5MPa
A.1/2 B.2/3 C.末端