The connection characteristic between guardrail board and post has very great influence on the protective performance of the guardrail.
3．护栏板与立柱之间的连接特性对护栏的防护性能有很大的影响。
参考来源 - 汽车碰撞动力学响应分析及波形梁护栏防护性能的改进研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Crystallization organization fine plating, its protective performance and appearance quality is more ideal.
结晶组织较细的镀层，其防护性能和外观质量都较理想。
If conditions allow, vehicle owners can install GPS satellite positioning system for high-grade vehicles to improve the protective performance.
高档汽车在条件允许的情况下，还可加装GPS卫星定位系统，以提高防护性能。
The invention is provided with more comfortable holding and protective performance for function key-press group or display device on the handle.
本发明具有握持较舒适且兼具手柄上功能按钮组或显示装置受到保护的功效。
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