杆

By adopting the center arm six-bar steering mechanism and using the analytical method to synthesize the four-bar mech...

采用中心臂六杆转向机构，由解析法综合出符合要求的四杆机构，再将其绕中间位置镜像，并确定适当调整各杆的位置，使其在给定输入转角范围内，输出转角值尽可能接近阿克曼原理计算的输出值，使车辆获得良好的转向性能。

About me...I started playing snooker and pool long before I started making cues. Having made countless century breaks myself, I truly know what makes a good cue. I understand the 'feel'.

我打斯诺兄和撞球远早于制作球杆，我自身有着无数次单杆破百的经历，因此真切地知道怎样做一条好杆，我能体会到那种&感觉&。

The stem consists of upper and lower pieces connected by a slip joint.

阀杆由上阀杆和下阀杆组成，二者通过伸缩接头连接。

The packed valves used by Air Products employ a two- or three-piece stem in which the lower stem or spindle connects to the upper stem via a slip joint.

Air Products使用的密封阀采用两个或三个阀杆。下阀杆或轴通过伸缩接头同上阀杆连接在一起。

Are set processing, production and sales of integrated enterprise, Main specifications of the dual-head models to stay plate Plum wrench, dual-purpose wrench (semi-parabolic / wide parabolic), active wrench (Zhanhua Plastic / Phosphating / calibration / chrome), a full range of instrument sets sleeve, the sleeve head, then a long shot, short take-under, ratchet wrenches, Freedom Next, slide the first handle rod afterburner, universal joint, the two sides bend Handle, Express±ú, large sliding head, curved handle, L-type wrenches, tire sleeve, saw blade, circular saw blades and other products, high-quality carbon steel and medium carbon steel.

山东世达机械工具有限公司是集加工，生产，销售为一体的综合性企业，主营各种规格型号的双头呆扳梅花扳手、两用扳手、活络扳手（沾塑/磷化/刻度/镀铬）、全系列套筒组套工具、套筒头、长接杆、短接杆、棘轮扳手，自由接、滑行头手柄、加力杆、万向接头、双方弯柄、快速摇柄、大滑行头、弯柄，L型扳手、轮胎套筒、锯条、圆锯片等一系列产品，产品选用优质中碳合金钢和中碳钢。

Experimental results also showed that the size and shape of the stick cross-section made a prominent effect on the strength and shape of flow wake.

对比实验的结果表明不同结构型式的减阻杆后绕流尾涡区的流动分布不同，其中减阻杆的迎风宽度及形状对减阻杆后绕流尾涡区的流动分布有明显影响。

In order to make the crank be continuous rotation one-way and the mechanisms have good transmission quality, the condition of crank existing of the spherical Stephenson Ⅲ six-bar mechanisms is deduced, and the formula of transmission angle is derived.

在研究球面六杆StephensonⅢ型机构轨迹综合的基础上，建立该可调球面六杆机构的多任务轨迹综合方程组，并分析可调球面六杆机构能实现的精确点数、任务数与综合时任选变量数之间的关系。

The conditions for the existence of crank for Watt's mechanism, a basic type of one-degree-of-freedom planar six-bar mechanism,are investigated with the triangular dividing method and the method of instantaneous fixing of the driving bar.

本文采用平面杆机构的三角形划分法及主动杆瞬时凝结法探讨了单自由度平面六杆机构的一种基本型式——Watt型机构的曲柄存在条件；并用取极限的方法得到了其诱导机构的曲柄存在条件。

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。

Taking two wells of Caiyou Wuchang in Zhongyuan oil field , as examples ,H12-150 and H7-79, the paper applied the program to calculate rod load s and analyze buckling, what's more, it designed sinker bar with different diameter and corresponding sucker rod combination, finally couplings have being designed.

以中原油田采油五厂H12-150和H7-79两口井为实例，利用编制的程序进行杆柱载荷校核、屈曲分析，并设计不同尺寸的加重杆和相应的杆柱组合，以及设计扶正器和防脱器。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷