체육수업 심폐소생술 2차시

2021 14:52
Synopsis
자동제세동기 조작 방법 및 행동요령 1단계 전원 켜기 2단계 커넥터 연결 및 패드 부착 3단계 심장리듬 분석 4단계 전기 충격 -인트로 ...
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