low pressure seal

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2.	低压阻 ...塌陷与氧合障碍，尤其胸部挫伤肺祖织水肿出血，喉罩为低压阻(low pressure seal)通气，潮气量低，进一步加速塌陷不张的 … somnolite.blogspot.com
3.	低压泵密封垫我对您的PerkinElmer0990-7339低压泵密封垫(Low Pressure Seal )感兴趣，请发送相关资料和报价！谢谢！ www.instrument.com.cn