CPR Mask training in cardiopulmonary resuscitation techniques, to carry out artificial respiration training, a person must be taken to a barrier film to prevent cross infection of bacteria.
培训心肺复苏技术，进行人工呼吸训练时，必须采取一人一片屏障面膜，防止病菌交叉感染。
The most desirable techniques will have a low barrier to entry and a shallow leaning curve.
最理想的技术应该门槛很低、学习曲线比较平缓。
Training in cardiopulmonary resuscitation techniques, to carry out artificial respiration training, a person must be taken to a barrier film to prevent cross infection of bacteria.
培训心肺复苏技术，进行人工呼吸训练时，必须采取一人一片屏障面膜，防止病菌交叉感染。
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