搜索 - 科创

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把大电容叫（水塘）是音响用语，因为它主要起滤波作用，就像水库调节江河下游水量，让电流更平滑。离子扬声器高频响应好，但低频差·····

1，PVC水管还不如2.5L的可乐瓶。2，采用普通PCM遥控器可能在水底2米发生失控可能。3，加一个适当的推进器（模型论坛很多潜艇贴），利用水平和垂直尾翼来控制潜艇的上升和转向。

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