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- dual string well packer 双油管井封隔器
- The well packer uses two holes(two tubes) that each has independent pacing mode with four ram cores in pairs consists of ram core,combined thruster,packing chamber,structure and positioning assembly. 封井器采用2孔(2管)各自独立封闭方式的4个闸芯成对配置,主要由闸芯、组合推进器、密封部分、结构式壳体及装配定位装置组成。
- dual string retrievable packer 双管可收回封隔器
- I need a piece of string to tie this parcel up. 我需要一根细绳把这包裹扎起来。
- I am well aware that this is a tough job. 我深知这是一件棘手的工作。
- By using dual packer technique, separate-layer fracturing has been run smoothly, with matching instrument, pipe string design, sand ... 较好地解决了分层压裂技术,并在工具技术、管柱设计技术、压裂填砂技术、施工技术等方面进行了配套。
- He tied a string on his finger to jog his memory. 他把一条细绳系在指头上,以唤起记忆。
- The child was trailing a toy car on a string. 小孩用绳子拖着一辆玩具车。
- The road opened out into a dual carriageway. 这条路已扩展成了复式车行道。
- Linear graphic method of the maximum pumping in depth of integral string well 组合杆柱油井最大下泵深度的线性图解法
- It was the latest in a string of hotel disasters. 那是一系列的饭店事故中最新发生的一起。
- The bread crisped up for you didn't wrap it well. 你没把面包包好,它变干了。
- She's had us all on a string for too long. 我们大家受她摆布已经很长时间了。
- One can not learn a language well unless one works hard. 学好一种语言非下苦功不可。
- Don't cut the string, untie the knots. 别剪断绳子,把结解开。
- Harp not for ever on the same string. 勿老调重谈。
- The old well was bricked up when it ran dry. 旧井干枯以后被人用砖堵上了。
- The sideshows will fetch in the people as well. 幕间穿插的表演同样可以招徕看客。
- He fished a length of string out of his pocket. 他从口袋里掏出一条绳子。
- Our firm is stacking up pretty well these days. 我们公司目前情况相当不错。