This is necessary because the loads are usually applied normal to the calibration fixture surface.

之所以有此需要，是因为所加载荷通常是垂直于校准装置平面的。

youdao

This is necessary because the loads are usually applied normal to the calibration fixture surface.

之所以有此需要，是因为所加载荷通常是垂直于校准装置平面的。

youdao