您要查找的是不是：
- In the light of the shortcondngs of the exishng tubing anchor, Model DGM multi-funchonal tubing anchor is developed. 针对现有各类油管锚功能的不足,研制出DGM型多功能油管锚。
- It points out the necessity of tubing anchor in pumping wells,especially in deep wells. 指出了在抽油机井,尤其是深井中进行油管锚定的必要性。
- The author pointed out that tubing anchor can not only control the tubing flex , but also improves force status , prolong the using life of tubing strings . 指出油管锚(油管张力锚除外)不仅可以控制管柱的伸缩,而且可以改善管柱的受力状况,延长油管的使用寿命。
- Advices extend to that the hydraulic tubing anchors might be wide used w... 建议推广使用带有泄压装置的液压单向卡瓦油管锚。
- The development and application of the slip rotary tubing anchor 卡瓦式旋转油管锚的研制与使用
- The anchor man in a relay team runs last. 接力队中的主力跑最后一棒。
- Oil feeds into the machine through this tubing. 油经过这个管子流入机器。
- Several boats lay at anchor in the harbour. 港湾里停泊著几只船。
- The anchor chain took charge and ran out. 锚链失去控制而滑了出来。
- The ship lay at anchor in the bay. 这艘船停泊在海湾。
- The ships cast anchor because of the heavy fog. 船因浓雾拋锚。
- A display device that uses a cathode ray tube. 一种使用阴极射线管的显示装置。
- They weighed anchor and drifted toward shore. 他们起了锚,向海岸漂去。
- He held the test tube in his hand thoughtfully. 他沉思地把试管拿在手里。
- We lay at anchor outside the harbour. 我们在港外抛锚停泊。
- Form where we lay anchor, we could see the ships in the offing. 从我们抛锚的地方可以看到近海的船。
- I must buy a tube of toothpaste. 我必须买一支牙膏。
- Somehow or other he always comes to an anchor in the bar. 不知怎么地，他老是泡在酒吧里。
- They brought the boat into the harbour and dropped (the) anchor. 他们把船开进海港下锚停泊。
- This tube is flexible but tough. 这管子柔软但很坚固。
