根据水压凿岩机液压传动原理和使用要求，详细介绍了凿岩机中冲击器、操纵阀和支腿的结构特点和设计方法。
According to the drive mechanism and the demand of the hydraulic rock drill, the structure character and the designing ways of the impact device, control valve and supporting arm were introduced.
悬架系统的主要作用是缓和车辆在行驶中所受路面的冲击，衰减振动，保证车辆行驶的平顺性和操纵稳定性。
Suspension system is mainly used to relax road surface impact, attenuate vibration, ensure vehicle ride comfort and stability control capacities during running.
我国上市公司的盈余操纵行为已对证券市场的信誉形成强烈冲击。
The listed firms' earning manipulation has spoiled the prestige of capital market.
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