Mechanical engineers offer maintenance service to airplanes to ensure flight safety

Source: Xinhua| 2020-01-22 21:39:25|Editor: mingmei
Video PlayerClose

CHINA-URUMQI-AIRPLANE-MECHANICAL ENGINEER (CN)

Mechanical engineers check the hydraulic pressure system of an airplane at Urumqi Diwopu International Airport in Urumqi, northwest China's Xinjiang Uygur Autonomous Region, Jan. 21, 2020. Staff members of China Southern Airlines have fully prepared to offer maintenance service to airplanes, an effort to ensure flight safety during the Spring Festival travel rush. (Xinhua/Ding Lei)

   Prev 1 2 3 4 5 6 7 Next  

KEY WORDS:
EXPLORE XINHUANET
010020070750000000000000011100001387272111
国产无码在线观看免费在线,37pao国产成视频,日韩一区二区视频在线,国产国产人免费人成免费视频麻豆
亚洲日韩国产精品第一页一区 | 在线综合亚洲欧美日韩 | 先锋AV资源手机在线观看 | 亚洲成老女aV人在线视 | 亚洲区偷拍区综合区 | 日本美女一级视频 |