複雑な腕木(組物).AA.腕木によって支えられた水平材の断面/(Compound bracket. A A, Sections of horizontal members carried by the brackets.)
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  • 複雑な腕木(組物).AA.腕木によって支えられた水平材の断面/(Compound bracket. A A, Sections of horizontal members carried by the brackets.)

複雑な腕木(組物).AA.腕木によって支えられた水平材の断面/(Compound bracket. A A, Sections of horizontal members carried by the brackets.)

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