Pollution can lead to premature bearing damage, pollution, refers to dust, metal filings from entering bearings inside.

污染也会导致轴承过早损坏，污染是指有沙尘、金属屑等进入轴承内部。

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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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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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Many people think that will happen, and with Soros and Paulson holding about 7.8% of one of the largest gold holdings in the world between both of them, the shinny metal constitutes the largest portion of their publicly traded portfolios and a huge bet as, according to their latest SEC filings.

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