這個結構不比木架強。要多加幾個三角結構。延長件不抗拉。冬天凍土嗎？若是, 地下要加強基礎。

來源: 老來棲落北美楓於 2018-02-07 13:53:53 [舊帖] [給我悄悄話] 本文已被閱讀：次

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