featured How does catalytic converter work
Unbelievable！！！A thing more expensive than gold is actually installed outside the car. This thing is the three-way catalytic converter. I heard that some car owners lost their three-way catalytic converters and wanted to lock their three-way catalytic converters. So why is this thing so expensive?On top of this porous ceramic purifier, there is a layer of precious metals, platinum, palladium, and rhodium....
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