兰郑长管道 (蘭鄭長管道) lán zhèng zhǎng guǎndào

lán zhèng zhǎng guǎndào proper noun Lanzhou-Zhengzhou-Changsha oil pipeline
Domain: Places 地方 , Subdomain: , Concept:
Notes: (CC-CEDICT '蘭鄭長管道')