Alternatively the ejector rod may be coupled directly to the hydraulicram 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。
2
At first, it studied the plant model of position and force system about valve control unsymmetrical hydraulicram.
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。
3
Others from V or X shapes. Some canopies are a single piece and some are two pieces with a hydraulicram at the hinge-joint.