阶背式轿车队列的平均减阻率最大，直背式次之，快背式最小。
The drag reduction of the notchback car platoon is the most, that of the squareback is the next, and the fastback is the least.
阶背式轿车队列的平均减阻率最大，直背式次之，快背式最小。
The drag reduction of the notchback car platoon is the most, that of the squareback is the next, and the fastback is the least.
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