云端上的“清洁工”
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10月10日，鄂西高速养护部门工作人员对四渡河特大桥的主钢索进行清洗维护。国庆长假后，湖北鄂西高速养护部门抓紧晴好天气对四渡河特大桥的主钢索进行清洗维护。四渡河特大桥地处湖北宜昌与恩施交界处，横跨高山深谷，塔顶至峡谷谷底高差达650米，桥面距谷底560米，相当于200层楼高。[新华社 祝巍 摄]
Staff members carry out cleaning and maintenance work on the main cables of the Sidu River Bridge in central China's Hubei Province, Oct. 10, 2018. The suspension bridge crosses the Sidu River valley near the boundaries of Yichang and Enshi in Hubei Province. The top point of the bridge is 650 meters above the bottom of the valley, a height comparable to a 200-storey skyscraper. (Xinhua/Zhu Wei)
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