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2011年1月,内蒙古海拉尔,地面温度-34℃,ARJ21-700飞机执行地面快速加温、地面稳态加温和飞行试验;2011年3月,新疆乌鲁木齐,飞行高度2438米(8000英尺),环境温度-6℃,水滴直径20~25微米,液态水含量0.49~1.3克每立方米,ARJ21-700飞机飞行试验期间稳定进入结冰云;2013年6月,青海格尔木,机场海拔高度2834米(9300英尺),ARJ21-700飞机执行高原起飞和降落飞行试验;2013年7月,湖南长沙,地面温度40℃,相对湿度近90%,ARJ21-700飞机执行地面快速冷却、地面稳态冷却和飞行试验。
January 2011, Hailar, Inner Mongolia, the ground temperature of -34 ℃, ARJ21-700 aircraft to implement rapid ground warming, steady-state heating and flight test; in March 2011, Urumqi, Xinjiang, flight height of 2438 meters (8000 feet) ARJ21-700 aircraft entered the icing cloud steadily during the flight test at ambient temperature of -6 ℃, water droplet diameter of 20-25 μm and liquid water content of 0.49-1.3 gm; in June 2013, Golmud of Qinghai Province, with an altitude of 2834 m (9,300 feet). The ARJ21-700 aircraft carried out high altitude takeoff and landing flight tests. In July 2013, Changsha, Hunan, with a surface temperature of 40 ° C and a relative humidity of nearly 90%, the ARJ21-700 aircraft performed rapid ground cooling and steady ground cooling Flight test.