操作杆

By using the Lagrangian approach, the explicit dynamic model in the Cartesian space and joint space is created. The model has taken full account of the influences of the length variation of the driving links and the orientation of the translational mechanism.

其次，本文应用拉格朗日方法首次系统地建立了该并联机器人在操作空间和关节空间的显式动力学模型，该模型充分考虑驱动杆长度变化和平动机构位姿变化对操作力的影响。

With specific design on the connection between screw and bar, ALPF solved the problem of looseness. The design was reasonable in structure and simple in operation. It was provided with good physical character and biological compatibility. It conformed to the principle of biological fixation.

ALPF可以使椎体复位满意，解决了钉杆角的松动问题，钉杆连接处采用增强设计，达到了设计要求，该器械设计合理，结构严谨，操作简便，具有良好的生物相容性，良好的生物物理特性，符合生物学固定原则。

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。

At room temperature 36 ℃, 72 hours continuous operation, action, 10,000 times, the pressure valve plate, the vacuum valve disk and the guide bar contact surface without any signs of wear and bumps, no guide rod stuck down sensitive phenomenon.

在常温36℃时连续操作72小时，动作10000次，压力阀盘、真空阀盘和导杆接触面无任何磨损和碰伤迹象，导杆升降灵敏无卡死现象。

At room temperature 36 ℃, 72 hours continuous operation, action, 10,000 times, the pressure valve plate, the vacuum valve disk and the guide bar contact surface without any signs of wear Vacuum pumps and bumps, guide rod stuck down the phenomenon of non-sensitive.

在常温36℃时连续操作72小时，动作10000次，压力阀盘、真空阀盘和导杆接触面无任何磨损和碰伤迹象，导杆升降灵敏无卡死现象。

Meanwhile, the application range of twin-screw extrusion in food industry should be extended and further developed, besides the current wide use of production of breakfast cereals food, snacks, paste, instant flour, modified starch, texturised protein and food fiber.

本文就挤压过程中原料相互作用对产品品质的影响，早餐谷物营养配方设计、双螺杆挤压操作参数对产品品质的影响、挤压早餐谷物食品品质指标之间相互联系等方面进行了深入研究，填补了一些空白，对于开发挤压早餐谷物食品，探索双螺杆挤压机加工谷物食品具有一定的理论和现实意义。

The machine adopt automatic lubrication system and the mechanisms of the needle-bar, thread take up and feed dog are excellently improved by using the structural alloy steel, therefore the runing noises and vibrations are minimized significantly, that the machine is operated under the quiet and comfortable circumstances to increase the efficiency and the service life of the machine is prolonged also.

HG128系列中原料平缝机采用自动润滑系统，针杆、挑线杆和送料机构采用合金钢制造，使得运转和顺，减少了噪声和振动，使机器在安静和舒适的环境下操作以提高效率，并也延长机器的使用寿命。

Its basic operation method is a tight mother of the lock that the opens to face afterward, can transpose the angle of the pole of arbitrarily, can process the thread that the different helix rises the Cape, this kind of knife pole has the strength and tenacities to process to slice to pare the dosage exaltation labor rate of production and decline low cost etc. to have the progress towards increasing [10]the knife, improve it is a kind of price less that knife have, yielding results the quicker method.

其基本操作方法是拧开其后面的锁紧螺母，可任意调换蜗杆的角度，可加工不同螺旋升角的螺纹，这种刀杆对增加刀具强度和韧性加工切削用量提高劳动生产率及降低成本等方面有所进步，改进刀具是一种代价较少，收效较快的方法。

According to the mechanical configuration of the rover, operation pattern of the wheel, and principle of speed matching of wheels, we present a control algorithm which can fit various uneven terrains and merge it into the whole locomotion control system.

根据八轮扭杆摇杆摇臂月球探测车的机构特点，结合轮子操作模式，利用月球车机构特征和速度匹配原理，提出一种具有良好地形适应能力运动控制算法，把它融合到了整个运动控制系统当中，提高了月球车在崎岖地形中的运动性能。

QB Series Knife Gate Valve absorb the advantages of technology and structure both at home and aboard to exclude other knife gate valves' shortcomings when using . This knife gate valve is made up withe body 、disc、stem、stem nut、sealing ring and operation parts.

QB型系列刀闸阀吸取了国内外先进技术和结构优点，排除了其他厂家所产刀闸阀在使用中存在的问题，此阀门主要由阀体、闸板、阀杆、阀杆螺母、密封圈、操作件组成。

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