为…架搁栅，为…装托梁用平行水平横梁来构筑。

To construct with such parallel horizontal beams.

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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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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.

youdao