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- The flange is used for wellheads and wellhead devices in oil fields with two kinds of structures: threaded and welded. 石油井口法兰及四通用于石油井口及井口装置。有螺纹式和焊接式两种结构。
- Development and application of a new type wellhead device for the down-hole jam release 新型井口解卡装置的研究与应用
- A display device that uses a cathode ray tube. 一种使用阴极射线管的显示装置。
- If took ten men to wrestle the device into place. 用了10个人才把那台装置挪动到位。
- Wellhead bias-adjustable device for rod-pumped well. 抽油机井井口调偏装置
- A device used to modulate an electromagnetic wave. 调制器用以调制电磁波的装置
- She got the information by some device. 她运用某种手段获取了情报。
- This is a device for squaring the circle. 这是一个不可能实现的方案。
- Let's put the new device to the test now. 现在让我们现在来试验这部新装置。
- The data logger device has been fitted to ship's engine room. 数字记录仪装置已安装在船只的机舱里。
- The device had undergone extensive testing. 这种装置经受过广泛的试验。
- Run the BOP and load it on the wellhead. 下防喷器并坐在井口上。
- A device used to raise the nap on a fabric. 起毛机一种用于使纤维起绒毛装置
- See if there is any leakage on the wellhead. 看看井口有没有泄露现象。
- There is no leakage on the wellhead. 井口上没有泄露。
- An electronic device amplified the speaker's voice. 电子设备放大了演讲人的声音。
- A device for equalizing pressure or strain. 均衡器用来使电压或电流保持平稳的设备
- A device for indicating wind direction. 风标用来显示风向的设施
- A device or mechanism that grinds grain. 磨臼，磨粉机磨谷物的装置或机械
- A machine or device for separating cream from milk. 乳脂分离器一种把乳脂从牛奶中分离出来的器具
