查询词典 fitting screw

Shenzhen Hualong screw factory refurbished successfully developed "metal surface wear repair" of new technologies, only imports of dual-use alloy powder renovation plastic barrel, screw and other parts to repair the heart of the problem re-use.

深圳华隆螺杆翻新厂成功研制&金属表面磨损修复&的新技术，才用进口双合金粉翻新塑料机筒、螺杆等心脏零件的修复再利用的问题。

After years of efforts to innovate, to learn at home and abroad advanced screw, cylinder manufacturing process technology, in various types of precision screw, barrel production on strong technical force, also has a set of comprehensive quality management system to ensure that the use of Products to worry about.

经过多年的努力创新，吸取国内外先进的螺杆、料筒制造加工技术，在各类精密螺杆、机筒的生产上技术力量雄厚，同时还拥有一整套完善的质量管理体系确保产品使用无后顾之忧。

Jing Ding High Precision Screw Mold Factory is the only one screw mold factory in China which brought in advanced CNC productive technology from Italy.

A、精鼎高精密螺丝模具厂是中国国内唯一一家引进意大利先进数控生产技术的螺丝模具生产厂家。

German high precision ball screw adopts original set of nut and screw, reducing the gap arising in the movement to the minimum.

德国产高精度滚珠丝杆，采用原装配套螺母和丝杆，把运动时产生的间隙降低到最小。

MIKE NEWELL: Actually, I would screw career, screw success.

迈克·内威尔：其实，我会加强我的职业，加强我的成功。

MIKE NEWELL: Actually, I would screw career, screw success.

迈克·内威尔：其实，偶会加强偶的职业，加强偶的成功。

AbstractObjectives1 Correlate bone mineral densityto vertebral compressive strengths.2 Consummate the technique for percutaneous polymethylmethacrylate vertebroplasty and observe the pattern of PMMA imaging distribution.3 Determine the strength and stiffness of osteoporotic with or without vertebroplasty with PMMA bone cement.4 Correlation of BMD,insertion torque and pull-out strengths of pedicle screws.5 Ascertain whether augmentation with PMMA bone cement can enhance pedicle screw fixation in the osteoporotic spine.6 Ascertain whether augmentation pedicle screw fixation with PMMA bone cement can enhance the stability of unstable thoracolurner burst fractures of osteoporotic spine.

目 的1、测试椎体压缩强度，分析强度与骨矿物质密度（bone mineral density，BMD）的相关关系。2、观察经皮椎体成形术后聚甲基丙烯酸甲脂（polymethylme- thacrylate，PMMA）骨水泥在椎体内的形态学分布及影像学表现。3、比较PMMA骨水泥骨质疏松椎体成形术前/后椎体最大抗压力和压缩刚度的变化。4、分析椎体BMD、螺钉最大旅入力矩和最大拔出力三者之间的关系。5、分析PMMA骨水泥强化骨质疏松椎弓根螺钉后的螺钉的最大轴向拔出力和拔出刚度的变化。6、评价PMMA骨水泥强化骨质疏松椎弓根螺钉脊柱内固定对不稳定型胸腰椎损伤的即刻稳定性和反复载荷后的稳定性。

It is primarily fixed in the bushing in the pump and placed in the pump cylinder screw, and with the active engagement of the two driven screw formed.

它主要是由固定在泵体中的衬套以及安插在泵缸中的主动螺杆和与其啮合的两根从动螺杆所组成。

It is mainly fixed on the pump body from the bush, as well as placement in the pump cylinder screw, and the initiative with its meshing of screw driven by two components.

它主要是由固定在泵体中的衬套以及安插在泵缸中的主动螺杆和与其啮合的两根从动螺杆所组成。

Chi Chun oil Shandong Machinery Co., Ltd., located in China's second largest oilfield Shengli Oil Field in Dongying City, Shandong location, the main tool for petroleum products for the manufacture and sale of the company for the China University of Petroleum relying on scientific research bases, leading products include: the use of the rigs Efficient wear shoes, duplex milling Cone, Cone window milling, Xitou sets, sets milling extinguishers, the mother Cone Cone, screw drill, screw pump drives, production efficiency devices, with oil production by pumping leakproof , Feng Jing, tubing collar, the collar rod, such as wellhead valves.

采油增效装置等。山东骏驰石油机械有限公司，位于中国第二大油田胜利油田所在地山东东营市，主营产品为石油专用工具制造及销售，公司依托中国石油大学为科研基地，主导产品包括：各型修井用高效磨鞋，复式铣锥，开窗铣锥，套铣头，套铣筒，公锥母锥，螺杆钻具，螺杆泵驱动装置，采油增效装置，采油增抽防漏器，封井器，油管接箍，抽油杆接箍，井口阀门等。

As a dominant party,CPC government should play a guardian,supervisee and guarantee role to overcome all the difficulties in the development of charitable cause and bring it into full play in the establishment of harmonious society on policies and regulations basis.

在中国共产党的文献中第一次把发展慈善事业提到&最广泛最充分地调动一切积极因素，不断提高构建社会主义和谐社会的能力&的高度来认识。近年来，社会学界对慈善事业的理论专著发表较多，有鉴于此，笔者不揣浅陋，谈谈自己的认识和见解。

Flow through the land, the land of the scale of operation allows the effectiveness of the land may be raised.

通过土地的流转，土地的规模经营可以让土地的效益得到提升。