logscale board foot

例句：

1. 1.The engineer used a logscale to measure the length of the tree.
   工程师使用一个标尺来测量这棵树的长度。
2. 2. The carpenter measured the logscale before cutting it into pieces.
   木匠在切割之前，先测量了标尺。
3. 3.The surveyor used a logscale to mark the boundaries of the new land.
   测量师使用一个标尺来标记新土地的边界。