查询词典 throttle pull rod

Applying Visual Basic ,the paper make modes of buckling ,load calculating, rod designing , sinker bar and couplings designing to realize on computer. It provides effective means for analyzing sucker rod dynamic behavior and designing rod combination in casing production well.

利用VB把建立的屈曲分析、载荷计算、杆柱设计、加重杆和扶正器设计模型编制程序实现计算机计算，为套管采油井抽油杆柱的力学行为分析和设计提供有力工具。

Based on the practice of the use of φ95mm subsurface sucker rod pump in Shengtuo Oilfield in recent years, the causes of the failure of the pump are analyzed, and relevant precautions are put forward:(1)selecting oil wells with sufficient fluid supply for pumping;(2)under the condition of the pump efficiency being the same, the submergence depth of the pump being somewhat larger than that of the small pump, and 450～500m being feasible;(3)adopting Grade H ultrahigh-strength rod string and fixing a sinker bar at the bottom of the rod string;(4)selecting long stroke and low pumping speed, and more than 5m stroke and less than 6min-1 pumping speed being recommended;(5)adopting zirconium oxide valve ball and seat ＋ spray welded plunger ＋ nitrided barrel.

根据胜坨油田近几年采用φ95mm有杆抽油泵提液的实践，分析了造成这种抽油泵失效的原因，包括与其配套的脱节器失效、抽油杆断脱、泵漏、电动机不配套和生产管理不善等。为增强泵的提液能力和工作可靠性，提出5 项预防措施：(1)选择有充足供液能力的油井；(2)在保持相同泵效的情况下，泵的沉没度应略大于小泵，推荐按450～500m设计；(3)采用H级超高强度抽油杆柱，并在杆柱底部配置一定重量的加重杆；(4)采用长冲程、低冲次的参数匹配，推荐光杆冲程大于5m，冲次小于6min-1；(5)为提高泵筒、活塞和阀座的防腐耐磨性，推荐采用&氧化锆阀球和阀座+喷焊柱塞+氮化泵筒&的结构形式。

Intel Corporation compound the new materials to carbon fiber through high-pressure roller press, so as to reduce the weight of the fishing rod, and make the fishing rod lighter, at the same time, increased strength and flexibility of the fishing rod, it is also a process of evolution in the fishing tackle history.

Intel公司把这种先进的新型材料经过高压滚压技术复合融合在碳纤维上，从而减轻了钓竿的重量，使钓竿更轻，同时又提高了钓竿的强度和弹性，这也是钓具史上的一次工艺进化。

YINGDAIER Company compound the new materials to carbon fiber through high-pressure roller press, so as to reduce the weight of the fishing rod, and make the fishing rod lighter, at the same time, increased strength and flexibility of the fishing rod, it is also a process of evolution in the fishing tackle history.

英代尔公司把这种先进的新型材料经过高压滚压技术复合融合在碳纤维上，从而减轻了钓竿的重量，使钓竿更轻，同时又提高了钓竿的强度和弹性，这也是钓具史上的一次工艺进化。

YINGDAIER Company compound the new materials to carbon fiber through high-pressure roller press, so as to reduce the weight of the fishing rod, and make the fishing rod lighter, at the same time, increased strength and flexibility of the fishing rod, it is also a process of evolution in the fishing tackle history.

英代尔公司把这种先进的新型材料经过高压滚压技巧复合交融在碳纤维上，从而减轻了钓竿的重量，使钓竿更轻，同时又进步了钓竿的强度和弹性，这也是钓具史上的一次工艺进化。

Comparing with conventional 1×7 mixing rod plastic optical fiber coupler using tapered mixing rod, 1×7 CMRC uses cylindrical POF as mixing rod instead of tapered POF thus eliminate the high demanding POF tapering process and lower the production cost.

由于安装成本在局域网总成本中占有相当大的比重，塑料光纤要在连接密集的局域网中取得显著的性能价格比优势，就需要有高性能价格比的光纤连接器和耦合器[2 ，3] 。

A multiclad layer optical fiber prefabricated rod includes core rod and outer clad layer; the core rod consists of core layer, inner clad layer and low-hydroxyl high-purity clad layer in sequence, and the outer clad layer includes a high-purity outer clad layer and a subhigh-purity outer clad layer.

本发明涉及光纤制造领域中一种多包层光纤预制棒及制造方法，它包括芯棒和外包层，芯棒由芯层、内包层、低羟基高纯包层依次组成，外包层分为高纯度外包层和次高纯度外包层，它解决了现有的光纤制造技术中，光纤预制棒的外包层所使用的高纯原材料比重过大，从而导致高纯原材料利用率低、制造成本高的问题。

Length of the compages hoist jib pull rod is shown as fig.4-10d, connecting them by pins, fixup them on the corresponding supports which is chord rod of the hoist jib.

4.2.12.3 按照图 4-10d 组合吊臂拉杆长度，用销轴把它们连接起来，固定在吊臂上弦杆的相应支架上。

Main products of the Company are: auto seats for Minibus and minicar, interior plat, noise silencer assembly, steering assembly, horizontal and vertical pull rod assembly, stabling pulling rod assembly, bumper assembly, tank cover assembly, wiring assembly, heat insulation underlay, molding top and various pressings.

公司的主导产品为轻型车、微型车配套的全车座椅、内饰板、消声器总成、转向器总成、横、纵拉杆总成、稳定拉杆总成、保险杠总成、水箱面罩总成、线束总成、隔热垫、成型顶以及各种冲压件。

Cited Pistons pull vent valve 10-valve piston cited the role of pulling out are seized cylinder piston rod, when its mild in China emerged after the main hydraulic cylinder rod cavity and there is no cavity under the pressure dropped, so that the main hydraulic cylinder in motion the process of increasing resistance to the main pump to increase the load, resulting in engine speed when pumping declining situation.

3活塞引拔阀内泄活塞引拔阀10的作用是拉出检缸活塞杆，当其出现轻度内泄后，主液压缸无杆腔和有杆腔的压差下降，使主液压缸动作过程中阻力增加，使主泵负荷加大，导致泵送时出现发动机转速下降的现象。

This paper designs the communication system of radio telescope FAST.

针对500m口径球面射电望远镜FAST分布式控制系统的特点完成了其通信系统的设计。

Political sheep's step-by-step a large number of fossils unearthed in the county soil Ma Ali after rural village in the middle of sallow pelitic siltstone.

步氏和政羊化石大量出土于广河县阿力麻土乡后山村，产于灰黄色泥质粉砂岩中。