天棚吊顶的基层和面层均按设计图示尺寸以( )面积计算。
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天棚龙骨按主墙间( )面积计算。
A. 水平投影
B. 展开
C. 实铺
D. 净
Teaching materials used in official schools in ancient China were centered on _________________________________________.
Ancient Chinese got theri basic eduction in ________________________________.
_______________________________________were a supplement to private school and official schools in ancient China.