As the hydraulic drive system rotates the chains, the gripper blocks feed the tubing string into, or out of the well.
当液压传动系统使链转动时，夹块将挠性管柱送入井内或将它从井内带出。
The electro-hydraulic proportional control valve uses the proven force feed-back system for improved hysteresis, repeatability, and response.
电液比例控制阀使用的证明力反馈改善滞后性，重复性系统和响应。
Main motion system of the machine tool is hydraulic motor driving, and two feed motion system is step-motor driving.
机床的主运动采用液压马达驱动，两个进给运动采用步进电机驱动。
The paper introduces the main functional design of a kind of small cutting coal machine with hydraulic fork lift as feed power and chain-saw cutting knives driven by generator as working head.
论述了一种利用液力叉车作为进给动力，由电机驱动链锯式割刀作为工作头的小型立式割煤机的主要性能设计。
Through study of the testing technique for oil feed circuit and designing principle of data fusion, the realization of fault test and diagnosis for hydraulic system was illustrated.
通过对液压系统供油回路的信号测试过程及信息融合方案的设计分析，阐明了液压系统故障检测和诊断的实现过程。
Portable - flow vertical sidewall belt conveyor with hydraulic lift , horizontal in-feed, 45 degree incline and horizontal discharge, conveying ferrous oxide at 25 tons per hour.
便携式-垂直侧面皮带输送机配有液压升降机，横向进料，45度倾斜和横向排放，输送氧化亚铁达每小时25吨。
System realized cut motor and feed motor driven and control, which is original hydraulic station upgrade system.
系统实现了在开孔过程中切削马达和进给马达的驱动控制，是原液压站的改造项目。
The feed drive system of a precision cold ring rolling mill adopts AC servo motor and mechanical transmission, rather than conventional electro-hydraulic actuator.
采用交流伺服电机和机械驱动进给系统的冷轧环机，其进给伺服控制系统的设计需要一个新的工艺动力学模型。
The hydraulic damping cylinder is used to push the feed of cutting tools to enable more stable operation. The thickened clamping plate can prevent the profiles from deforming.
液压阻尼气缸推动刀具进给，工作更平稳。加厚的型材压板，防止型材变形。
Workpiece by hydraulic fixed automatically rated hydraulic saw blade tension, mechanical automatic feed.
工件由液压固定，锯条采用液压后自动额定张紧，机械自动送料。
Fixed by the hydraulic pressure, hydraulic blade tensioning automatically rated, mechanical automatic feed.
工作由液压固定，锯条采用液压后自动额定张紧，机械自动送料。
Or the three-way valve may send the pressurized liquid to a hydraulic motor driving a feed conveyor while the front-end loader is not being used.
在不需驱动时，三通阀将高压流体送到驱动输送机构的液压马达上。
Or the three-way valve may send the pressurized liquid to a hydraulic motor driving a feed conveyor while the front-end loader is not being used.
在不需驱动时，三通阀将高压流体送到驱动输送机构的液压马达上。
应用推荐