搜尋結果
Gadget propels maintenance work to new heights
China Daily· 4 日前"Drone inspection complete, surrounding environment clear, ready for takeoff," said ...
NE China's Changbai Mountain seeking to become top-level outdoor sports destination
China Daily· 5 日前To this end, northeast China's Changbai Mountain is seeking to become a perfect outdoor sports destination. The Jilin Border ...