sludge dewatering短语¹⁴⁴⁹⁷²⁺² 基本例句 污泥脱水 Under optimal chemical dosage control by this model the sludge dewatering facility worked for month with best results of sludge dewatering and also the operating expenses decreased as well. 用该模型进行了一个月的试生产，结果表明，对加药量进行优化控制相对于人工控制不仅保证了处理效果，同时也有效地降低了运行费用。 cnki