浓水回水流量应控制在（）加仑范围，浓水压力控制在（）MPA。
参考答案：≤10；8-13
— Merry Christmas!
— _____ [ ]
A. It's kind of you.
B. That's great.
C. The same to you.
D. You're welcome.
提高果树果实含糖量的措施是（）？
A、采前灌水
B、增施氮肥
C、增施有机肥
D、增施磷肥
