It is a necessary procedure to expose laryngeal recurrent nerve to avoid it injury.

为避免喉返神经损伤，显露喉返神经是必要的手术操作程序。

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It is a necessary procedure to expose laryngeal recurrent nerve to avoid it injury.

为避免喉返神经损伤，显露喉返神经是必要的手术操作程序。

youdao