专业生产、液压油缸、螺旋摆动油缸、凿岩台车等液压设备。
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。
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。