有的人行程长，有的人行程短。
Some people have longer journeys, while others have shorter ones.
制动气室推杆行程短，制动迅速有效。
The stroke of push rod is shorter to ensure a rapid and effective braking.
有的人行程长，有的人行程短。有的人很从容，可以欣赏窗外的景色。
Some people have longer journeys, while others have shorter ones. Some people are very relaxed and they can enjoy the scenery as it rolls by.
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