To exclude higher oxygen concentration in an equipment with an potential source of ignition we use Nitrogen to dilute the air in the vessel.
避免设备内氧气浓度过高以及火源的存在，使用氮气稀释釜内空气。
To exclude higher oxygen concentration in an equipment with an potential source of ignition we use Nitrogen to dilute the air in the vessel.
避免设备内氧气浓度过高以及火源的存在，使用氮气稀释釜内空气。
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