- 重点词汇
- 相关例句
Last month, a costly fire swept around Lake Tahoe, on the border of Nevada and California.
上个月, 一场损失巨大的火灾席卷了内华达和加州边境的泰和湖区.
互联网摘选
A mechanical model for well bore stability is established based upon mechanical analysis.
从力学分析入手,建立了井壁稳定问题的力学模型.
互联网摘选
By comparing with normal well bore, the economic efficiency of slim hole drilling was evaluated.
通过与常规井眼对比, 评价了小眼井钻井技术经济效益.
互联网摘选
油藏温度是井筒径向距离的函数,温度沿径向距离近似地按指数规律衰减.
互联网摘选
- 今日热词
- 热门搜索