这一装置可用于水力发电机，能产生巨大的能量，也可做成轻便的小型发电设备，放进鞋跟里。
These could be used to produce energy on a large scale, in wave-power generators, or on a small scale, by integrating small, lightweight devices into the heels of shoes.
这一装置可用于水力发电机，能产生巨大的能量，也可做成轻便的小型发电设备，放进鞋跟里。
These could be used to produce energy on a large scale, in wave-power generators, or on a small scale, by integrating small, lightweight devices into the heels of shoes.
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