bond angle

例句：

1. 1. The engineer measured theexact bond angle between the two pieces ofmetal.
   工程师测量了两块金属之间的精确结合角度。
2. 2. The carpenter used aspecial tool to ensure that the joint anglewas perfect.
   木匠使用特殊工具确保接合角度完美无缺。
3. 3. Thestructural engineer analyzed the bondangles in the building todetermine its stability.
   结构工程师分析了建筑中的结合角度，以确定其稳定性。