杆

Orient the new rod coupling such that the hole in the coupling aligns with the hole on the hydrant rod.

确定新的阀杆连接套的位置，连接套上的孔与阀杆上的圆孔对齐，用销钉和开口销将连接套固定。

The multi-fishing collar is one kind of combinatorial tool for fishing of various sizes of sucker rod coupling,bar and well logging instrument in the interior of the casin tube.It is easy to operate,conveience and muilti-purpose,high efficiency sucker rod fishing tool.

多用打捞筒是一种在套管内打捞各种尺寸的抽油杆、接箍及加重杆和测井仪的组合式打捞工具，该工具结构简单操作维修方便，是一种用途多、高效率的打捞抽油相工具。

General –For both the basic and CPVC housed stem extensions, the bottom rod coupling utilized for all ball valve extensions is fitted with turning-stops.

通用–对于基本的和CPVC封装的两种阀杆加长件，用于所有球阀加长件上的底部杆连接件都配置旋转止动装置。

Product description the deflection-proof and abrasion-proof sucker rod coupling is processed with some special technology, coated a layer of abrasion-proof, wear-proof and lessening friction coat.

本公司成立于1997年，是生产石油机械配件的专业生产厂家。主要生产抽油杆，双向保护抽油杆防偏磨接箍和普通接箍。

API sucker rod coupling coated a layer of abrasion-proof ,wear-proof and lessening friction coat ,and the raw meterial is good quality steel alloy 40cr,the type:

360诚信会员公司烟台运盛石油机械配件有限公司是专业抽油杆接箍批发销售生产厂家，该企业为你提供抽油杆接箍最新市场价格行情/报价，工作原理装配图，产品品牌规格型号/尺寸标准，使用方法安装说明书等实用商机信息！

The main purpose of this article is to work over and analyse dynamic specialties of the plane four bar mechanism especially crank and rocker mechanism and brace cake mechanism in the dynamic and constrained system contained with mechanical and hydraulic integration, and dynamic specialties of the plane four bar mechanism in the system made of mechanical and hydraulic integration can carry out and be easily computed by the software MATLAB to have a simulation.

本文的主要目的是研究分析机械系统和液压系统综合动态约束系统下，对机械系统单元部分选取的平面四连杆机构，尤其是曲柄摇杆机构和曲柄滑块机构的动态特性，并能通过MATLAB软件实现对机液综合机构学理论中的平面四杆机构的动态特性计算及仿真研究。

It is shown that the strength of plane crank designed by theory of stress is not safe enough.

推导出应矩的计算公式，通过两种理论对实例的计算对比，得出应力理论设计的曲杆强度不能保证安全，因此，曲杆必须要用应矩理论加以修正，才能保证达到要求的安全系数。

Application: Glass fiber tubes are available at the shovels, snow shovel, hoe, the whole hedge shears, grass rake, garden tools and flagpoles roller brush, tent pole, curtain rod and so on.

适用范围：玻璃纤维管可用于铁锹、雪锹、锄头、整篱剪、草耙、滚筒刷园林工具及旗杆，帐篷杆，窗帘杆等。

My company produces a variety of materials curtain rod accessories, curtain rod brackets, brackets, rings, steel ring.

我公司生产各种材质的窗帘杆配件，窗帘杆托架、支架、吊环、钢环。

Our main products are Curtain Rod and accessoriesFinials, Brackets, Tubes with different color, rings, holder-back...

我们的主要产品为窗帘杆及配件(，杆头，支架，挽手，吊环…)。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。