山東凱迪牌KD-L314煤焦油清洗劑是一種新研制的低成本清洗煤焦油及相關(guān)設(shè)備的專業(yè)煤焦油清洗劑。山東凱迪牌KD-L314煤焦油清洗劑可代替汽油、煤油柴油等溶劑清...

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