最好是使用相同的轮胎压力计和泵当您检查您的轮胎，因为你可能会取决于轮胎压力计，你选择不同的读数。
It is best to use the same tire pressure gauge and pump when you check your tires, because you may get different readings depending upon the tire pressure gauge that you choose.
充气不足的的轮胎在路上会消耗更多的能量，所以你需要经常检查一下轮胎压力。
Underinflated tires take more energy to push down the road so check your tire pressure often.
花钱买个刻度盘式轮胎气压测量仪，并用它每周一次检查轮胎压力。
Invest a few dollars in a good dial-type tire pressure gauge and use it to check your tire pressure once a week.
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