它也是水密外壳的组成部分，并承受局部水压力。
It is also part of the watertight envelope, and subject to the local water head.
舷侧壳为主体船身纵桁提供网装结构，并且是水密外壳的一个重要部分。
The side shell provides the webs for the main hull girder and is an important part of the watertight envelope.
电子被安置在一水密外壳和传感器电缆屏蔽，可以延长到500英尺(152米)。
Electronics are housed in a watertight enclosure and Sensor cable is shielded and can be extended up to 500 ft. (152 m).
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