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- moss bos (凿井用)青苔封水箱
- 常用in common usage
- 凿井用泵sinking pump
- 可用do
- 井well
- 不用need not
- 凿井用吊泵sinking pump
- 用法usage
- 有用useful
- 他们在凿井取水。They were boring for water.
- 利用混凝土井塔凿井与井塔交叉施工工艺On the Building Technique of Headframe and the Drilling Skill by Using Concrete Headframe
- 凿井耕田To sink a well and plough the fields
- 三元复合驱采油井用的固体缓释防垢剂A Controllably Reliesing Scale Inhibitor for Downhole Use in Production Wells of ASP-Combinational Flooding Reservoir
- 箱形钢结构井架兼作凿井井架快速建井技术Construction tech. By using box steel structure headframe as drilling headframe
- 预应力固井用弹簧式水力促动底部循环地锚Development and application of spring type hydraulically-boosted earth anchor with bottom circulation
- 冻结法凿井freeze-wellboring
- 地下水监测井用净化和取样选择的标准指南Standard Guide for the Selection of Purging and Sampling Devices for Ground-Water Monitoring Wells
- 在凿井中,他们,偶然发现一个稀有矿物的矿床。In course of sinking the welt-shaft they came upon a deposit of a very rare mineral.
- 把井用板盖上to board over a well
- 他们在凿井的过程中, 发现了一处稀有矿物矿床。In course of sinking the well-shaft they came upon a deposit of a very rare mineral.