precleaning是什么意思

网络释义

用法例句

The choice of scheme, manufacturing process and service condition of pickling galvanized chemical treating spouts consisting of precleaning spout, pickling spout and poaching spout have been analyzed, and it shows that the spouts fulfill requirements for mounting and using, which provides fine base for further processing products made by Hangang .

对酸洗镀锌化学处理槽 (预清洗槽、酸洗槽、漂洗槽 )的制造方案、制造工艺 ,安装使用效果做了分析 ,该槽满足了安装生产使用要求 ,为产品的进一步深加工奠定了良好的基

It is necessary to fulfil requirement of clean by the means of pre-cleaning.

同时采用预清洗处理的方法满足清洁要求,使换线时间由平均3h缩短到平均1h以内,年产能提高270000片。

Optimization of pre-rinsing process for improvement in color sheet quality and reduction of water consumption;

提高彩板质量和降低水耗的预清洗工艺