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The instantaneous gearbox torque at a given polished rod position (whether on the polished rod upstroke or downstroke) is the torque factor at that polished rod position multiplied by the net gearbox load at that position.

在一个指定光杆位置的瞬时变速箱扭矩（无论是上行还是下行冲程）等于那个光杆位置的扭矩因数乘以那个位置的变速箱净载荷。

What I make ask rod totally closed person who bring conveyer to is it improve to go on in some respect only, at first with ask rod is it ask for trough type rod by preventing running partially from , secondly come to prevent pollution from in the conveyer and dustcoat to bring only, beautify the environment.

我所做的单托辊全封闭带式输送机就是在一些方面进行了改进，首先用单托辊带替槽型托辊以防止跑偏，其次在输送机外加外罩来防止污染，美化环境。

Configuration feature: Constant green small tree, gao Keda 8m, bark brown gray, crack, branch is arranged loose, ramose from bottom to top gradually short, establish body tower look, big branch up or bend downward slightly, rod is long and straight, up extend, 4 arris form, close top shows a circle, it is scale leaf completely, scale leaf hands in each other opposite on rod, clingy rod, see 3 impeller are unripe occasionally, scale leaf grows 1.5-3.5mm, pointed or tip acute is blunt, small incurvate, without candle pink, have gland system, gland body is elliptic, be located in a leaf back radical ministry, individual plant of different of male and female, rare with individual plant.

科 属：柏科。圆柏属。形态特征：常绿小乔木，高可达8m，树皮褐灰色，条裂，枝条排列疏松，分枝自下而上渐短，树体塔形，大枝向上或略向下弯曲，小枝长而直，向上伸展，四棱形，近顶端呈圆形，全为鳞叶，鳞叶在小枝上交互对生，紧贴小枝，偶见三叶轮生，鳞叶长1.5-3.5mm，先端锐尖或钝，微内曲，无蜡粉，有腺体，腺体椭圆形，位于叶背基部，雌雄异株，稀同株。

The inhaul cable is connected with the lower part of the supporting rod through the turning rod, and the upper part of the supporting rod is connected to the shell so as to form the shell-structure system of a string-supported cylinder.

拉索通过转折节点与撑杆下端连接，撑杆上端连接至筒壳，从而形成弦支筒壳结构体系。

The rod may now be bent into lordosis using the Rod Bender (Figure 17). The rod does not have to

用弯棒钳将棒根据前凸弧度折弯(图-17)，棒不需要非常精确的折弯以适合螺钉的位置，特别是对于

The cut sections of rod may now be bent into lordosis using the Rod Bender (Figure 19). The rod

将剪裁好的棒用弯棒钳折弯(图-19)，棒不需非常要精确的折弯以适合螺钉的位置，特别是单节段的

The theoretical and computational results show that an important reason resulting in eccentric wear of the inner cylinder and the pumping rod lies in the nonuniformity of the stress distribution on the outwall of the inner cylinder which yields excentralization effect of the pumping rod when swabbing fluid flows in eccentric annuli with the pumping rod moving axially in a well.

在实验上，通过不同重量百分比浓度的HPAM水溶液在内管做轴向往复运动的偏心环空中非定常流实验，把由理论公式算得的时间平均流量与实验中测得的时间平均流量做了比较，验证了本文数值计算幂律流体在内管做轴向往复运动的偏心环空中非定常流方法的正确性；上述的理论与计算表明，抽油机井杆管偏磨的一个重要原因是，在聚驱工况下，抽汲液体在抽油杆做轴向运动的井筒中流动时，抽汲液体作用在抽油杆外壁上的压力分布的不均匀性所引起的抽油杆在井筒中的偏心效应。

The model for calculating the stability of the resonator containing a laser rod with curvature ends was developed,which was based on the transfer matrix theory of Gauss beam. The results from the numerical simulations on some typical resonators indicate that the laser rod with curvature ends can expand the stable region of plano-plano,plano-concave and plano-convex cavity notability;despite the laser rod with curvature ends can improve the stability of above mentioned cavities,it costs the effective mode volume.

计算结果表明，对于几类典型的谐振腔如平平腔、平凹腔，球面端面激光棒可以显著的扩展强热聚焦作用下的稳定工作范围；球面端面激光棒在提高约束稳定性和热稳定性的同时，通常是以牺牲有效模式体积为代价的。

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杭州百弘五金有限公司是一家专业生产窗帘五金和窗饰五金的生产厂家，产品包括：各种艺术窗轨杆、艺术窗轨、伸缩杆、窗帘杆、装饰头、窗帘支架、窗帘环、窗帘钩、窗帘弹簧绳、浸塑储藏钩、样板钩、灯钩、蝴蝶钩、尖钩、画钩、框钩等各种装饰五金）。

The method for calculating the axial force, bending moment and bending deflection sucker rod string with centralizer is obtained applying compressionalto - shear buckling continuous beam - string theory- The design method for sucker rod string with weighting rod is presented in this paper, which takes the modified Goodman stress diagram as strength design principle and...

应用纵横弯曲连续梁柱理论得到了求解带扶正器的抽油杆柱的轴力、弯矩和挠度计算公式；以修正的Goodman应力图为强度准则，并考虑杆柱刚度条件，提出了水平井中抽油杆柱加重设计的方法。最后给出了某油田1口井的抽油杆柱设计实例，说明了该万法的正确性。

Since historical times,England ,where the early inhabitants were Celts, has been conquered three times .

从有历史以来，英国，在此地早期居住的是凯尔特人，已经被征服了三次。

Bluetooth OBEX File Transfer Enables the sending and receiving of files on your phone via Bluetooth.

蓝牙OBEX文件移动允许经过蓝牙传送和接受文件。。。。