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。
Lathe spiral metal filings were used in high gradient magnetic separation machine to recover FCC catalyst and activities of the separated FCC catalysts were examined.
选用车屑螺旋状填充质高梯度磁分离对FCC废催化剂进行了分离处理,并对分离后的催化剂进行了活性检验。
Lathe spiral metal filings were used in high gradient magnetic separation machine to recover FCC catalyst and activities of the separated FCC catalysts were examined.
选用车屑螺旋状填充质高梯度磁分离对FCC废催化剂进行了分离处理,并对分离后的催化剂进行了活性检验。
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