selvedge guider

例句：

1. 1. The tree's selvedge guider is essential for maintaining its health.
   树木的树皮导引器对于保持其健康至关重要。
2. 2.The engineer used a selvedge guider to ensure the proper alignment of the beams.
   工程师使用树皮导引器来确保梁的正确对齐。
3. 3.The research team developed a new selvedge guider that could detect early signs of disease in plants.
   研究团队开发了一种新的树皮导引器，可以检测植物早期疾病的迹象。