用氢冲洗设备，直到达到所要求的纯度。通过烟道或火把烟筒排出所有废氢。
Flush system with hydrogen until required purity is reached. Vent all waste hydrogen through a flue or flare stack.
用氢冲洗设备，直到达到所要求的纯度。通过烟道或火把烟筒排出所有废氢。
Flush system with hydrogen until required purity is reached. Vent all waste hydrogen through a flue or flare stack.
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