我挑来挑去，最后选了一款紫色的火箭板。
I picked to pick and there, finally chose a purple rocket board.
设置悬挑有利于筏板基础的受力，但设置悬挑的长度不宜过大。
The cantilever part of raft foundation has the advantage for raft foundation to suffer load.
设置悬挑有利于筏板基础的受力，但设置悬挑的长度不宜过大。
The cantilever part of raft foundation has the advantage for raft foundation to suffer load.
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