中文字幕无码久久人妻_中国无码a一级刺激片_国产综合色产在线观看_色多黄片资源2020

Pic story of technicians specializing in air conditioner installation and maintenance

Source: Xinhua| 2019-08-04 20:39:08|Editor: mingmei
Video PlayerClose

CHINA-BEIJING-HEAT WAVE-AIR CONDITIONER INSTALLATION (CN)

Technician Zheng Yabing welds a pipeline of an air conditioner in Beijing, capital of China, July 30, 2019. Zheng Yabing and Gong Zhenhua are both technicians specializing air conditioner installation and maintenance. They install about 800 air conditioners annually, and summer is the busiest time of year. (Xinhua/Cai Yang)

   Prev 1 2 3 4 5 6 7 Next  

KEY WORDS:
EXPLORE XINHUANET
010020070750000000000000011100001382831321