液压缓冲器（shock absorber）依靠液压阻尼对作用在其上的物体进行缓冲减速至停止，起到一定程度的保护作用。适用于起重运输、电梯、冶金、港口机械、铁道车辆等机械设备，其作用是在工作过程中防止硬性碰撞导致机构损坏的安全缓冲装置。
液压缓冲器缓冲力不稳定，应用受到限制。
The application of hydraulic buffer with discrete orifice is limited due to its unstable buffering force.
液压缓冲器是模拟碰撞试验设备中的关键部件。
Hydraulic bum per is the key component of simulating impact test equipment.
介绍了一种新型的液压缓冲器，并作了理论分析。
A new type of hydraulic cushion was introduced and theoretical analysis was carried out.
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