—lily is coming by _______ plane tomorrow.

—Let s go to _______ airport to meet her. [ ]

A. a; a

B. /; a

C. the; the

D. /; the

已知某精馏塔顶产品罐压力为0.132MPa，塔顶空冷和后冷及管线总压力降为0.027MPa，求塔顶压力为多少？