Furthermore, a double-hulled tanker does not need longitudinal bulkheads for longitudinal strength, as the innerhull already provides this.
此外,双壳油轮并不需要纵向强度纵向舱壁,作为内部船体已经提供了这种。
2
The innerhull of wave shape is an important component in small oil burning boiler, and its quality has immediate influence on good running to the boiler.
波形炉胆是小型卧式锅壳式燃油燃气锅炉的重要部件,它的质量直接影响着锅炉的正常运行。
3
There are many disadvantages for adopting the press forming techniques of mold to manufacture the innerhull of wave shape, so we are difficult to ensure its manufacturing quality.