伸缩的

The hydraulic push mechanism,cutting-block retract mechanism and cutting system of BG-118 underreamer have been designed and calculated.

针对国产常规扩孔器存在切削效率低，保径效果和倒划眼功能差的现状，设计了一种具有倒划眼和保径功能的BG型高效扩孔器，并对BG—118型扩孔器的水力推进机构、切削块伸缩机构和切削系统进行了设计计算。

The line incorporates Soma's parabolic rewind tension control system to avoid roll telescoping and allow laminating and coating of a wide range of substrates.

线纳入索玛的抛回卷张力控制系统，以避免轧辊伸缩，并允许层压和涂层的范围广泛的衬底上。

That correlation led Dr Flor to wonder if the alleviation of pain caused by the mirror treatment might be the result of a reversal of the neurological changes associated with telescoping.

这种关联让福罗博士想知道是不是镜像治疗减轻疼痛的原理就是逆转了&伸缩&所带来的神经学上的改变。

A pair of retractable wheels in front are also provided.Along with the coupling or uncoupling operation,they can be raised or lowered automatically.

在车辆的前部另外安装有一对伸缩轮，随着接合和分离操作的进行，它们能够自动的张紧和放松。

Companies focus on product quality and technology development, by virtue of solid scientific research and development strength, rich production experience, introduced in 2009 with the international standards of luxury all-steel door automatically extendable, and its exquisite technology, stable performance, generous style appearance, with sleek design , there is a very spirited!

公司注重产品质量及技术开发，凭借雄厚的科研开发实力，丰富的生产经验，在2009年推出具有国际水平的豪华全钢自动伸缩门，其工艺精美，性能稳定，外型大方气派，具有流线型设计，极富有时代气息！

The essentials of design for pier plate prestressed stretching bed and treatment on expansion joint structure are emphasized. Based on the comparison and calculation to this structure in non - linear finite element method with Duncan - Chang model, and through site test, it is proved to be rational in design, simple in structure and convenient in construction.

着重讨论墩板式预应力张拉台座强度和温度应力计算的设计要点及伸缩缝的构造处理，并采用 Duncan－ Chang模型对该结构进行了非线性有限元的对比计算，同时配予现场试验观测印证，说明墩板式张拉台座设计合理、结构简单、施工方便。

Under the condition of retaining the same machine weight of wheel crane, reducing the weight of telescopic hoist boom is one of effective ways to increase hoisting performance.

轮式起重机在产品自身重量相同的情况下，减轻伸缩起重臂的重量是提高起重性能参数最有效的方法之一。

Setting slide layer is a good measure to reduce the interaction between the rail and bridge, and rail expansion joint on long span bridge can be cancelled.

桥上纵连板式轨道借助底座板的纵连解决梁端转角对轨道结构的不利影响，通过设置滑动层来削减梁轨相互作用，在大跨桥上可以取消钢轨伸缩调节器，这种设计思想对大跨桥上铺设无砟轨道具有积极的借鉴意义。

In the hydraulic system, the controlling of the solenoid operated direction vale and the pressure switch is realized by the electric automation.

液压缸活塞杆的伸缩，使机械夹紧装置摆动，实现抽出垫板的目的。液压缸、液压马达的动作控制由液压系统实现。在液压系统中，采用了电磁换向阀和压力继电器。

The numerical analysis results show that displacement response is periodic and synchronized with excited input current. The influence of linear magnetostriction coefficient, amplitude and frequency of excited current on the displacement response is investigated.

计算结果表明位移响应是周期的，并与电流变化同步还分析了材料的线性磁致伸缩系数及电流峰值和频率对输出位移的影响。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。