杆

Firstly, the parallel mechanism parameters are designed by theory, and the two spherical hinges of cue instrument on the mobile and base platform are fixed up separately. Under the condition that the mobile platform parallels the base platform, the center of spherical hinge of the cue instrument on the mobile platform are moving along a spherical helix corresponding to the center of spherical hinge on the base platform.

首先按理论并联机构设计参数，将一球杆仪的两个球铰分别固定在保持平行的动、静平台上，令球杆仪在动平台上的球铰中心相对于静平台上的球铰中心做球面螺旋线运动。

Main various types of plastic extrusion machines, injection molding machines, chemical fiber spinning extruder, rubber tube extruder screw machine screw, Liao Tong, flange, such as printing network box.

主营各种型号的塑料挤出机、注塑机、化纤纺丝挤出机、橡胶挤出机机筒螺杆螺杆、料筒、法兰印花网框等。

In this year's Beijing International Machine Tool Show (2005 CMIT), the Tianjin-or gold at the full range of products, including air preparation components: regulator, filter, lubrication, drainage, pressure gauges; valve categories: Electromagnetic valve, pipe valve, pneumatic valve, mechanical valve, the valve manually, foot valve; cylinder categories: standard atmospheric pressure bars, mini round-cylinder, micro-cylinder, rotating cylinder, manipulator, welding tanks, cylinder block, a rule Cylinder, no-cylinder, guided-bars and all kinds of buffers, the appearance of refined products, a series of rich and comprehensive feature allows visitors not only praise, so that customers have a better choice.

在今年的北京国际机床展（2005CMIT）上，天津罗升展出了金器全系列产品，包括气源处理组件：调压器、过滤器、润滑器、排水器、压力表；阀类：电磁阀、管路阀、气动阀、机械阀、手动阀、脚踏阀；缸类：标准气压杠、迷你圆型缸、微型缸、旋转缸、机械手、焊接缸、阻挡缸、治具缸、无杆缸、导杆杠及各种缓冲器等，产品精致的外观、丰富的系列、全面的功能让参观者赞叹不止，让客户有了更好的选择。

Kelly Hose - The kelly hose is a section of high-pressured hose connecting the standpipe and the swivel.

方钻杆水龙带：方钻杆水龙带是连接立管和水龙头的一段高压水龙带。

I mower company specialized production of various parts: Mufflers, silencers shrouds, Wound-clips, crank me Cypriots, the startup disk spring, piston pin, drive-connecting Shaft, T25 wrenches, combination wrench, wrenches, copper networks, such as fixed-major axis.

我公司专业化生产割草机各种零件：消音器，消音器隔热罩，绕线器压板，曲柄箱塞，启动盘簧，活塞销，传动杆，连接轴，T25扳手，组合扳手，套筒扳手，铜网，固定杆长轴等。

Methods Design a vertical pole in universal globle-head, an independent screw nip steatite was composed of upper, lower nip steatite and three snails, which was connected with vertical pole to choose screw insertion area at will. Results 80 patients were treated with this external fixator.

在原固定架的万向球头设计纵杆，钢针夹块为独立结构，由上、下夹块和3枚螺钉组成，下夹块夹持钢针，其与纵杆连接，可多角度旋转，任意选择穿针平面。

After closing a wedge type gate valve, back up the stem (to 1/4 turn) to allow room for stem expansion.

在关闭楔形闸阀后，后退阀杆（1/8"到1/4"圈），为阀杆膨胀留出空间。

The machining and stiffness measurement of the key surface of feedback stick, taper surface, is a big problem in manufacturing of servo valve. And it is more serious in new model feedback stick, which is used in new generation carrier rocket and manned spacecraft.

反馈杆的关键表面——细长圆锥面的加工及其刚度检测一直是伺服阀生产的一大难题，对于新一代运载火箭和载人飞船所采用的新型号反馈杆，该难题变得更加突出。

The velocity fields,pressure fields and stress tensor fields in both of channels are respectively determined.

与挤出螺杆相比，注塑螺杆具有特殊形式的头部结构，这是由注塑机塑化部件的特点决定的。

In this paper, we use linear elastic and power hardening function to approximately represent the stress-strain curve of material.

将材料的本构关系描述为线弹性幂强化形式，推导出了各杆铰接在一个定轴转动刚体上的平面杆系弹塑性分析的普遍表达式，使问题得到了圆满的解决。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。