免费午夜av电影_97se亚洲国产综合自在线尤物_色综合天天综合网在线_100国产精品无码_国产一级 级内射欧洲_91精品久久蜜桃_JAPANESE少妇出轨内射_少妇人妻偷人一区二区_亚洲欧美高清黄色片_储媛凡 储媛凡海外仓软件

Dual driller automatic drilling rig control system

Author vch11975117 Published on 2021-05-15 14:47 Read 39

In 2020, Hande dual-driller automatic drilling rig control system will be delivered a total of 8 sets (sets), which are respectively used in Sinopec Zhongyuan Oilfield, Sinopec Shengli Petroleum Engineering Co., Ltd. Southwest Drilling Branch, Sinopec Drilling Technology Research Institute, etc.

null

Share