... paraffin scale 粗石蜡 paraffin scraper 刮蜡片 paraffin series 石蜡族烃 ...
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... paraffin control 防止结蜡 paraffin cutter 刮蜡片 paraffin cutting 刮蜡 ...
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... paraffin inhibitor 防蜡剂 paraffin knife 刮蜡片 paraffin laden formation 含蜡地层 ...
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