在正向潮流作用下，叶片旋转，通过变向齿轮带动旋转搅沙器转动，旋转搅沙器与海底之间始终保持轻微接触的状态；
In the force of forward currents, the blade rotates, and makes the gyratory shaker rotate by change gear, the gyratory shaker always keeps slight contact with the bottom of the sea;
在正向潮流作用下，叶片旋转，通过变向齿轮带动旋转搅沙器转动，旋转搅沙器与海底之间始终保持轻微接触的状态；
In the force of forward currents, the blade rotates, and makes the gyratory shaker rotate by change gear, the gyratory shaker always keeps slight contact with the bottom of the sea;
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