货船上的甲板起货机工作时消耗电功率很大，且随时间发生不规则的波动，对决定船舶主电站的配置有着直接影响。
The deck cargo gear onboard cargo ship consumes a lot of power, which fluctuates irregularly as time goes on. It effects directly the selection of the ship's power plant.
用电功率较大，耗电量很大，使用成本髙。
Large electric power consumption, large electricity consumption, high using cost;
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