长冲程，由滑块式雨刷行驶。
主要产品有长冲程节能型抽油机和盘式刹车。
The main products are Long-stroke energy saving oil pumper and disk type brake.
曲柄链条动滑轮式长冲程抽油机是一种新型抽油机。
The crank-chain driving and long stroke pumping unit described in this papes is a new type of pumping unit.
我提出了四项这些，与两个长冲程49的，取得了6。
I made four of these which, with the two long stroke 49's, made six.
齿轮式无游梁长冲程抽油机为机械换向台架式滚筒抽油机。
The pumping unit described in this article consists of a frame-mounted mechanical reversing drum.
我们的产品在长冲程，重负载和恶劣环境下是您最好的选择。
Our products are best used with long strokes, heavy loads and in harsh environments.
文章介绍了一种挂钩换向链条驱动的长冲程节能抽油机的结构和工作原理。
A new type of energy-saving and long-stroke pumping unit is designed.
复合天轮式长冲程抽油机主架由四柱扁框架、两个悬臂梁和两个后支腿组成。
The framework of the long-stroke pumping unit with compound crown sheave consists of a flat frame with four columns, two cantilever beams and two back legs.
该抽油机具有体积小、占地面积少，易于实现长冲程、低冲次、便于实现自动化控制等优点。
This pumping unit has many advantages such as small in size, easy to perform long stroke with low stroke times, and convenient to realize automatic control, etc.
该公司介绍了发动机具有“长冲程大位移”，这将增加扭矩从低到高客运，增加“热效率。”
The company described the engine as having "a longer stroke and larger displacement", that would increase torque from low to high RPMs, and increase "thermal efficiency."
该机具有大载荷、低冲次、长冲程、高效节能环保和结构紧凑、可靠性高、运动性优的特点。
This Unit has large load, low stroke frequency, long stroke, high efficiency environmental protection, compact structure, safety, good movement performance.
应用一只18寸喇叭，先进的长冲程大口径音圈扬声器设计，具有优化的散热系统和大功率的输出。
Application of a 18-inch speakers, an advanced long-stroke large-diameter voice coil speaker design, with optimized cooling system and high power output.
应用两只18寸喇叭，先进的长冲程大口径音圈扬声器设计，具有优化的散热系统和大功率的输出。
Application of two 18-inch speakers, an advanced long-stroke large-diameter voice coil speaker design, with optimized cooling system and high power output.
双变径轮式抽油机是在继承常规游梁式抽油机优点的基础上设计而成的大载荷、长冲程、低冲次节能型抽油机。
A dual variable-diameter wheel pumping unit, which has long stroke and low pumping speed and large load capacity, is designed based on conventional beam pumping units.
该机具有长冲程、软性换向、对称对拉、高度平衡、高效节能、大载荷等特点，经过辽河油田试用，效果良好。
It features long stroke, soft direction changing, balanced height, high efficiency, and high power. The practice shows good efficiency in Liaohe Oilfield.
无游梁塔架式胶带传动长冲程抽油机由曲柄-连杆-滑块机构、动滑轮-窄胶带-定滑轮机构和复合滚筒增程机构组成。
The tower type belt driven long stroke pumping unit is composed of the crank-linkage-slide mechanism, movable pulley-narrow belt-fixed pulley mechanism and compound drum stroke-increment mechanism.
并对国内已经生产及正在开发的各种长冲程抽油机进行了剖析，指出了对现场在用的常规及异相抽油机进行增程改造的意义。
The author analyses the domestic made long stroke well pumping units both in use or in developing and points out the significance of the transformation of lengthenings…
对新型长冲程抽油机——竖游梁塔架式抽油机的运动分析方法进行了研究，导出了该机悬点位移、速度及加速度的计算公式。
The method of motion analysis of new type and long stroke pumping unit with vertical walking-beam and pylon was studied.
因此，研制一种结构简单、可靠性好、维护方便且能实现长冲程、大排量、重负载的新型抽油机，仍然是一个急需研究的课题。
Therefore, the development of a simple structure, good reliability, easy maintenance, and can achieve a long stroke, large displacement, heavy load of new unit, is still a much-needed study.
通过调整挂钩，使权力中风，比压缩冲程长，发动机可以达到，但与奥托循环发动机的效率。
By adjusting the linkage to allow a power stroke that is longer than the compression stroke, the engine can achieve greater efficiency than with the Otto cycle engine.
通过调整挂钩，使权力中风，比压缩冲程长，发动机可以达到，但与奥托循环发动机的效率。
By adjusting the linkage to allow a power stroke that is longer than the compression stroke, the engine can achieve greater efficiency than with the Otto cycle engine.
应用推荐