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，zaituranduandiandeshihounenggouxunsutingzhidianjiyunxing，bingbaozhenghuowubuhuixiahua，tongshizaidiandonghuludeshangbuanzhuangyouxianweizhuangzhi，dangdiandonghulutishengdao*大高度時會自動斷電，保證電機不會因此損壞。