检查人员分别对上下、前后、左后六面壳体进行了长宽测量,测量结果经计算,壳体板变形量控制在0.41‰。
Inspectors measured the length and width of the upper and lower, front and rear, and left rear hexahedral shells respectively. After calculation, the deformation of the shell plate was controlled at 0.41‰.