working reference plane

例句：

1. 1. The engineer used the working reference plane to measure the distance between two points on the surface of the object.
   工程师使用工作参考平面测量物体表面两点之间的距离。
2. 2. During the construction phase, it is important to ensure that the working reference plane remains stable and accurate.
   在施工阶段，确保工作参考平面保持稳定和准确非常重要。
3. 3.The working reference plane was crucial in determining the optimal positioning of the machine for its operation.
   工作参考平面对于确定机器操作的最佳位置至关重要。