hydraulic fluid filter是什么意思

用法例句

The three-stage lime-ferric salt process and some key equipment such as gypsum centrifuge and fluid filter are used.

介绍了大冶公司冶炼厂污酸处理装置的工艺流程、设备及装置运行情况,采用三段石灰-铁盐法工艺,并配套石膏离心机、液体过滤器等关键设备。