The most flux of the propellant depends on the self-pressurizing ability of the nitrous oxide supply system.
推进剂最大流量依赖于一氧化二氮供应系统自身增压能力。
There was little influence on respiratory and circulatory system in patients of nitrous oxide group and combined group.
笑气组和联合组在术中能保持呼吸循环功能稳定。
There was little influence on respiratory and circulatory system in patients of nitrous oxide group and combined group.
笑气组和联合组在术中能保持呼吸循环功能稳定。
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