precleaning
英：[pri:ˈkli:niŋ]
precleaning 基本解释
n.预洗涤，预清洗；预清洁；
precleaning 相关例句
权威例句
Marks published for oppositionFM 10-52-1 Chptr 4 Purification OperationsDevice for cleaning and closing print cartridges and closing element for closing print cartridgesPneumatic device for cleaning air filtersUse of transition metal complexes as bleach catalysts in washing and cleaning agentsProcess for cleaning a cold trap10 Best Practices for Spring Cleaning Your Data CenterCLEANING HOUSEDIVERSE SCREENS WITH CLEANING AND DISTRIBUTION MEANSProcess for consolidating particulate solids and cleaning products therefrom II
