Simple Asphyxiant - This product does not contain oxygen and may cause asphyxia if released in a confined area. Maintain oxygen levels above 19.5%. Flammable.
易窒息性气体-这种产品由于不含氧气，因此在狭窄的空间发生泄漏，可能会使人窒息。应保持氧含量在19。
When you engage in strenuous exercise, your tissues require increasing amounts of oxygen to maintain heightened activity levels.
当你进行激烈的运动时，你的组织需要增加供氧以维持更高的运动水平。
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