They are able to align themselves in the current like windsocks at an aerodrome, so that they find the best position for power generation.
它们就像飞机场的风向袋，能在水流中保持方向，这样可以找到最好的发电位置。
They are able to align themselves in the current like windsocks at an aerodrome so that they find the best position for power generation.
它们就像飞机场的风向袋，能在水流中保持方向，这样可以找到最好的发电位置。
They are able to align themselves in the current like windsocks at an aerodrome so that they find the best position for power generation.
它们就像飞机场的风向袋，能在水流中保持方向，这样可以找到最好的发电位置。
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