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still for avlegsna no? 71x and so? 71x from forbrenningsgaser
still for avlegsna no? 71x and so? 71x from forbrenningsgaser
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机译:还远吗? 71x等?来自燃烧气体的71倍
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The off-gases are first treated with ammonia, to remove nitrogen oxides, and are then treated once more with ammonia to remove sulphur oxides. The ammonia required both for removing the sulphur oxides and for removing the nitrogen oxides is admixed at the start of both removal processes.
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