An axial symmetrical model is set up for the sealing structure of the bulkheadplate for a columniform dewar.
建立了针对柱形真空杜瓦容器端盖密封结构的轴对称模型。
2
What's new is the composite front bulkhead and rear chassis plate.
有什么新内容，是综合前面的舱壁和后方的机箱钢板。
3
The frame number marks, made of steel plate shall be welded and painted on the hatch coaming and bulwark at the place of every 10 frame-space and at every bulkhead.