如疑有头或颈部外伤，只能采用双手托颌法。
B. If head or neck trauma is suspected, use the jaw-thrust maneuver only.
目的：总结颈部外伤紧急救治的临床经验与教训。
一次很特别的场合，一个男人发生摩托车车祸被送进医院，他脑部和颈部都受到了严重的外伤。
On one particular occasion, a man was brought in with severe head trauma and neck injury from a motorcycle crash.
一次很特别的场合，一个男人发生摩托车车祸被送进医院，他脑部和颈部都受到了严重的外伤。
On one particular occasion, a man was brought in with severe head trauma and neck injury from a motorcycle crash.
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