In this paper, the workshop of building all of one northern iron and steel plant is regarded as the model, the humidity method of applying heating and ventilation is studied and the problem of producing dew in the workshops are well settled.是什么意思_In this paper, the workshop of building all of one northern iron and steel plant is regarded as the model, the humidity method of applying heating and ventilation is studied and the problem of producing dew in the workshops are well settled.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句