Road traffic safety 1. – Reaction time, braking distance, stopping distance
What should you know about speed, braking distance and road traffic safety?
물리학
7 ~ 9 학년
저자: Tóth Katalin
교정자: Kovács Attila
그래픽 아티스트: Medovárszki György, Sárai Kata
검색어
mozaLink
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