下面这句话、我不是很懂麻烦大家帮忙看下。? the separated carbon dioxide and ammonia are recombined as ammonium carbamate in the carbamate condenser operating at a slightly lower pressure than the urea reactor pressure, and then returned to reactor for conversion to urea. 主句是the separated carbon dioxide and ammonia are recombined as ammonium carbamate, and then returned to reactor for conversion to urea. 那个 in the carbamate condenser operating at a slightly lower pressure than the urea reactor pressure是状语从句. 被分离的二氧化碳和氨在氨基甲酸冷凝器中,在比尿素的反应压力稍低的压力下被调配成氨基甲酸铵,然后回到反应器转换成尿素.查看更多