cope box是什么意思

用法例句

Analysis was mode on fracture phenomena on trunk of 500 kV outdoor anti-pollution post insulator,which revealed complicated harmful stress on insulator body at pouring glazing and sanding in horizontal position.

对500kV户外耐污棒形瓷绝缘子主体杆径开裂现象进行了分析,认为采用卧式淋釉法上釉上砂工艺,坯体受力复杂,对坯体的破坏较严重。