预洗 meaning in English

prewashing

Use as a pre - wash for treatments for best results
在使用的产品保养前用它预洗则效果更好。
The pre - washing zone includes one or more trikoflex washers depending on the production and speed of the machine
预洗区包括一个或多个转鼓水洗机，这取决于产品和车速。
Demineralization chemicals can be introduced in the pre - washing zone to remove loose metals and residual iron left over from the knitting process
脱矿质水洗也可在此预洗区进行，可去除织造时遗留的脱落的金属件和多余的铁质。
Surface prep or " cleaning " is a separate process designed to safely remove swirls , scratches , acid rain etchings , pore - imbedding stains , tree sap , dead - oxidized paint , as well as stubborn surface contaminants that regular washing will not remove
预洗表面或“清洁”与安全的去除螺旋纹、划痕、酸雨的腐蚀物、镶嵌在小孔的灰尘、树液、被氧化的漆面、顽固的污物，即一般很难清洗掉的污物是两回事儿。