为…架搁栅,为…装托梁用平行水平横梁来构筑。
屋面两坡的下方,檐口的连系梁支承在平顶搁栅之上。
At the lower end of each roof slope, eaves purlins are provided over the ceiling joists.
屋面两坡的下方,檐口的连系梁支承在平顶搁栅之上。
At the lower end of each roof slope, eaves purlins are provided over the ceiling joists.
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