Built-up p area 建筑面积 ; 已建满房屋或其它建筑物的地区

built-up p line reamer 镶片组合铰刀

built-up p gear 组合齿轮

built-up p crank 组合曲柄

built-up p frame 组合肋骨

built-up p broach 组合拉刀

built-up p member 装配部件

built-up p pillar 组合柱

built-up p terrace 堆积阶地