长成 zhǎngchéng to grow up Origin Definitions Defs Strokes Stroke Words Sentences Sents 兰郑长成品油管道 lánzhèngchángchéngpǐnyóuguǎndào Lanzhou-Zhengzhou-Changsha oil pipeline A major petroleum product pipeline in China connecting the cities of Lanzhou, Zhengzhou, and Changsha