hydraulic ram [机] 水锤泵 ; 液压油缸 ; 液压推车机 ; 液压支腿
valve-controlled hydraulic ram 阀控水锤泵
hydraulic ram cylinder 液压伸缩筒 ; 液压压头伸缩筒
double acting hydraulic ram 双动式液压油缸
hydraulic ram actuator 液压顶重器开闭装置
main hydraulic ram 主液压活塞
hydraulic ram tensioner 液压缸张力器
ale-controlled hydraulic ram 阀控水锤泵
hydraulic ram press 液压平板机
Others from V or X shapes. Some canopies are a single piece and some are two pieces with a hydraulic ram at the hinge-joint.
另从V或X形。一些檐篷是一个单一的作品，有些是两件与液压内存在铰链联合。
Alternatively the ejector rod may be coupled directly to the hydraulic ram so that forward and rearward movement of the ejection System may be achieved.
另一种顶棒可以直接和液压缸活塞偶合所以可以实现顶料系统的向前和向后运动。
At first, it studied the plant model of position and force system about valve control unsymmetrical hydraulic ram.
首先，建立了阀控非对称缸位置控制系统与力控制系统的数学模型。
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