This paper approaches operational requirement, typical pump types, structure difference and service performance of circulation pumps which are the key equipment in vacuum salt making.
本文探讨了真空制盐行业中关键设备循环泵的使用要求，常用的循环泵类型及其结构差异，使用性能，比较其优劣，为循环泵的选型提供参考。
Assembly of the vacuum pumps and other equipment.
组装真空泵及其他设备。
Assembly of the vacuum pumps and other equipment.
组装真空泵及其他设备。
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