The atmosphere at high oxygen partial side of the membranes is air or oxygen, but high purity helium at low oxygen partial side.
膜的高氧分压侧分别是空气或氧气，低氧分压侧是高纯氦气。
The atmosphere at high oxygen partial side of the membranes is air or oxygen, but high purity helium at low oxygen partial side.
膜的高氧分压侧分别是空气或氧气，低氧分压侧是高纯氦气。
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