two-zone high drafting的意思|示意
美 / /
英 / /
两区高牵伸
two-zone high drafting的网络常见释义
双区大牵伸 two-zone drawing system 双区拉伸体系；双区牵伸系统 two-zone high drafting 双区大牵伸 two-zone single selection completion 双层分采完井 ..