你可以在树屋的每一侧安装一套有缆绳和螺栓的昂贵系统，或者安装一个房屋专用的自由浮动梁。
You can either install an expensive system of treehouse cables and bolts or rig your own free-floating beam.
这是冷静地看到，头管，座椅一B B梁和后轮为3自由浮动举行的组成部分的立场，一个胶合板三明治。
It is cool to see the head tube, seat-BB beam and rear wheel as 3 free-floating components held in position by a plywood sandwich.
这是冷静地看到，头管，座椅一B B梁和后轮为3自由浮动举行的组成部分的立场，一个胶合板三明治。
It is cool to see the head tube, seat-BB beam and rear wheel as 3 free-floating components held in position by a plywood sandwich.
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