方法选择12只狗，先作为第1组，然后再作第2组。第1组置传统气管插管，第2组置多功能复苏套管。
Methods We selected 12 dogs to install traditional endotracheal intubation as group 1, and then to install the multi-functional resuscitation intubation tube as group 2.
目的比较多功能复苏套管和传统气管插管的置管时间，验证多功能复功套管的起搏功能。
Objective to compare the tracheal intubation time between the multi-functional resuscitation intubation tube and the traditional tube, as well as to verify the pacemaker function.
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