鸡皮皱面层涂饰施工要点有()。
A.基层处理
B.涂刷底油
C.刮腻子并抹平
D.涂饰鸡皮皱面层
参考答案:A, B, C, D
Although many people thought the former advice was valuable for us,personally I prefer
.
A.the latest
B.the latter
C.last
D.later
生态红线区一般可进一步划分为()
A.一级管控区
B.二级管控区
C.三级管控区
D.四级管控区