浮力和净荷是由适当深度率的浮力块提供的，来固定下面一个可移动水动盖。
Buoyancy and payload is provided by securing buoyancy blocks of the appropriate depth rating to the chassis below an easily removable hydrodynamic faring.
荷莉：别担心。耶诞节时，心意最重要。而且相信我，妈会吃得一干二净。
Holly: Don't worry. At Christmas, it's the thought that counts. And trust me, mom will eat them all.
荷莉：别担心。耶诞节时，心意最重要。而且相信我，妈会吃得一干二净。
Holly: Don't worry. At Christmas, it's the thought that counts. And trust me, mom will eat them all.
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