Last 20 years the most common way has been the usage of rust preventive oil in process and VCI treated kraft paper with or without plastic lamination.
英
美
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在過(guò)去20年里,最普遍的防銹措施是在生產(chǎn)過(guò)程中給產(chǎn)品涂油,再外包層壓塑料膜或無(wú)層壓塑料膜的VCI防銹紙。
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国内精品美女A∨在线播放xuan