回复:ZT汽车轮胎为什么充氮气?
Nitrogen or regular air , you will lose tire pressure, just a little slower with nitrogen. I am not sure that it extend your tire life because the outside of the tire still contact with air all the time!
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• True,it has little use. Air has ~80% nitrogen already -wxc1204- ♂ (0 bytes) () 10/15/2013 postreply 07:52:28