Pre-cleaning should include the removal of metal filings and weld splatter: both are potential sources for dirt in phosphate and electrocoat.
预清洗系统包括清除金属屑及焊渣，它们是磷化和电泳槽内的污染物的来源。
Pre-cleaning should include the removal of metal filings and weld splatter: both are potential sources for dirt in phosphate and electrocoat.
预清洗系统包括清除金属屑及焊渣，它们是磷化和电泳槽内的污染物的来源。
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