单项选择题
A.回流线、去V-105线、去T-302线 B.去T-302线、回流线、去V-105线 C.去V-105线、回流线、去T-302线
A.气关阀 B.气开阀
A.0.45Mpa(表) B.0.35Mpa(表) C.0.60Mpa(表)