为了克服100米以上提升高度时过大的电缆自重和电压降，配有电缆滑车装置。
In order to overcome the weight of cable itself and voltage drop when lifting height is over100m we use cable trolley.
为了克服100米以上提升高度时过大的电缆自重和电压降，配有电缆滑车装置。
In order to overcome the weight of cable itself and voltage drop when lifting height is over100m we use cable trolley.
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