海词手机词典

In this paper, the reasons and rules of pedestrian head injuries are researched through statistical analysis of pedestrian traffic accident, which are used to analyze the relativity between pedestrian head injuries the headform to bonnet top test method.

播放读音 播放读音

以上内容独家创作,受著作权保护,侵权必究

海词词典,十七年品牌