The working principle, hydraulic impact, noise have also been studied in this paper.
并介绍了工作原理，对液压冲击、噪声等问题进行理论动态特性分析。
Hydraulic bum per is the key component of simulating impact test equipment.
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.
液压缓冲器是模拟碰撞试验设备中的关键部件。
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