digital display railway track scale
digital display railway track scale
数字显示铁路轨道标尺
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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A scheme of power supply using the super capacitor and the mini manual electrical generator for the hand-held digital display railway track scale has been designed and realized.
为手持式数显铁路轨道测量尺设计并实现了一种以超级电容为供电电源和以微型手摇发电机为充电电源的设备供电方案。
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