压力过滤罐主要由滤层、（）、配水系统及进水管和出水管组成。
A、中心筒
B、保温层
C、垫层
D、沉降室
参考答案：C
— Did you take the coat finally?
— No, it was beautiful, but was out of my price ________. [ ]
A. control
B. reach
C. aim
D. range
施釉的方法有哪些？
