opening up by adits  平硐开拓

opening up by blindshaft  暗井开拓

opening up by tunnels  平硐开拓

opening up by vertical shafts  竖井开拓

30 years after the Reform and Opening Up  改革开放30年

30 years of reform and opening-up  改革开放30年

30 years since the introduction of reform and opening up  红紫酸铵; 紫脲酸铵

30 years’ reform and opening-up  改革开放30年

at-the-opening (opening only) order  开盘指令

banking reform and opening up  银行改革开放

Before reform and opening-up  改革开放前

BLOCKADE AND OPENING-UP  封锁与开放

border area special economic zones development and opening up  南京信息工程大学遥感学院

chief architect of the reform and opening up policy  改革开放的总设计师

Deepening reform and opening up  深化改革扩大开放

early opening-up-wasteland situation  早期屯垦生活

furthering of opening-up  扩大开放

Kunming’s self-opening up  昆明自开商埠

laboratory opening-up  实验室开放