The pilot sits in a small, pressure-resistant hull.
驾驶员坐在一个小型抗压舱中。
2
Pressurehull of deep-submarine is an important equipment, which make the survival at deep-sea access to people, so pressure hull's research is of great significance.
潜水器的耐压壳体是保障人员，能够在海底生存的重要设备，所以潜水器的耐压壳体的研究具有重要的意义。
3
Since the sand shell modeling production of the hull casting cannot meet the needs required, this project adopts low-pressure foundry techniques to improve the internal quantity of products.