The usage of dummy have important function in vehicle security crash test, and that, the neck is the key part of dummy.
假人在汽车碰撞安全试验中有着重要的作用，而颈部是其关键的部位。
The usage of dummy have important function in vehicle security crash test, and that, the neck is the key part of dummy.
假人在汽车碰撞安全试验中有着重要的作用，而颈部是其关键的部位。
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