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- The spiral drill collars are being tried to use. 螺旋钻链正在试用。
- Spiral drill collars made in our plant are in accordance with API standard. 本厂制造的螺旋钻铤按照“API”标准生产和验收。
- They have not measured the length of spiral drill collars and monel collars yet. 他们还没测量螺旋钻铤和无磁钻铤的长度。
- In this article, the auth or specially introduces the structure of impact spiral drill machine and its ope ration techniques. 本文详细介绍了冲击螺旋钻的构造和成孔操作技术。
- The main products are:Slick Drill Collar,Spiral Drill Collar,Nonmagnetic Drill Collar,Heavy Weight Drill Pipe,square and hexagonal Kelly. 并可承接特殊规格的石油钻具产品的生产。
- Then fast spiral echo sequence was used to get weighted T2WI images and the images were reconstructed with MIP(maximum intensity projection). 然后用快速自旋回波重T2WI加权序列扫描,图像经最大密度投影法重建。
- Then fast spiral echo sequence was used to get weighted T2WI images and the images were reconstructed with MIP (maximum intensity projection). 然后用快速自旋回波重T2WI加权序列扫描，图像经最大密度投影法重建。
- Impact Spiral Drilling is a new bore-making techni que.Its usage in the anchorage project of deep foundation ditch can solve the p roblem of drilling in the soft and hard cross stratum. 冲击螺旋钻孔是一种新的成孔工艺，在深基坑的锚固技术中成功地解决了软硬互层、夹杂地层的钻进。
- Choosing and Improvement of Spiral Drill for Inclined Hole Machining 斜孔加工中麻花钻的选择及改进
- He worked very fast, insomuch that he was through in an hour. 他工作得很快，一小时内便做完了。
- He's not a fast horse but he's certainly a stayer. 这匹马跑得不快，但很有耐力。
- Bind the rope fast lest it should come loose. 把绳子绑牢，免得它松脱。
- Bill has a feeling he is on a fast track. 比尔感觉到他正快速迈向成功。
- Military budget continue to spiral. 军费预算继续上升。
- A car journey is as fast as a train journey. 乘汽车旅行跟乘火车旅行一样快。
- A car overtook me although I was going very fast. 我虽然开得很快，还是被一辆汽车超前了。
- Military budgets continued to spiral. 军事预算继续急遽增加。
- I must be at Hudson before I break my fast. 吃早饭之前，我肯定已到哈得逊区。
- A snail's shell is spiral in form. 蜗牛壳是螺旋形的。
- Let's walk fast in order to keep warm. I'm cold. 咱们快些吧，以保持身体暖和。我感到冷。
