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旧 Sep 6th, 2007, 19:10     #13
mytwok
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作者: yunboo 查看帖子
先用长钉/螺丝把2"x10"木板至少20"长, 固定到至少2根truss/rafter上面. 然后在把小锅装在木板上即可. 用防水沥青涂上缝隙.. 小锅一个杆可以固定. 大锅(>30") 一般都有另外一个支架来支持主干, 所以有3个支点, 最好都用上去,...
谢谢Yunboo,我是要装小锅,但看来很麻烦,怕把房顶搞坏。还是铆在墙壁上简单些。
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