以下为句子列表：
英文: With the increase in production load, there is heavy liquid entrainment from the rectification column, resulting in a rise in urea content in the low-pressure ammonium carbamate solution, bringing about the cold crystallization of the low-pressure carbama
中文: 摘要生产负荷提高后，精馏塔带液严重，使低压甲铵液中的尿素含量增加，引起低压甲按冷凝器结晶、甲铵泵气性、精馏塔甲按分解率下降等现象，严重影响安全生产。
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