drain district 中文意思是什麼
drain district
解釋
排區-
Less roofing beam slope, drain district unitary, suit the various type buil - dings such as shop - ping center, convenient shop and fire station, also but is used in difference in degree across attach across building
較小的屋面梁坡度,排水區單一,適合於購物中心便利店消防站等多種類型建築物,也可用於高低跨的附跨建築。
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