夏季管线放压应做到（），以防串油.
参考答案：随放随关
---What were you saying just now?
----_______. Let’s get down to the English speaking contest tomorrow.
A．Don’t mention it
B．Take it easy
C．That’s all right
D．Forget it
压药与造粒工房要做到定机定员，药物升温不得超过( )℃，机械造粒时应有防爆墙隔离和连锁装置等。
A．15 B．20C．25 D．35
