浮阀塔盘中浮阀形式有()。
A、F型
B、V型
C、A型
D、L型
参考答案:A, B, C
He planned to go to France to ______ his art of painting.
A.cut out
B.come by
C.brush up
D.make up
溶剂悬浮型显象剂主要由()和()配成