Must-know car knowledge
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1.Why are the wheels of buses and trucks convex and concave?
In fact, the front and back of the wheel hubs for buses are convex and concave facing...
The first car was invented in 1885 by German engineer Karl Benz.
In 1879, German engineer Karl Benz successfully tested a two-stroke experimental ...
What make your drive easier?
No matter in driving system itself, or other driving tool, the driving is getting easier as you all may have realized...
