System Parts第 12 / 60 题
What does the application pressure gauge show?
a.The total air stored in the reservoirs
b.How much air pressure you are applying to the brakes
c.The temperature of the brake drums
d.How many miles remain before service
解析
The application pressure gauge shows how much air pressure you are applying to the brakes when you press the brake pedal. If you notice you must apply more and more pressure to hold your speed on a downgrade, the brakes may be fading. This gauge is not on all vehicles.
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