TC4钛合金紧固件的α污染层 - TNMSC 关键字: 钛合金；污染层；显微硬度[gap=529]Key words: titanium alloy; contamination layer; microhardness
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我真不敢相信我一直反对的大气污染层竟然救了我们。
I can't believe that extra-thick layer of pollution that I've picketed against is what burned up the comet.
经过化学清洗后，可将微滤膜污染层清除掉，使水通量恢复到初始过滤水平。
After chemistry cleaning, the fouling layer of Microfiltration can be removed, the membrane flux can be resumed to the initial filter competence.
轮轨表面的污染层也会影响粘着系数的变化，它避免了轮轨表面直接接触，有利于减少磨损。
While this contaminant layer is responsible for varying friction values, it plays a beneficial role by separating the wheel and rail surfaces, usually decreasing wear.
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