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Whirlpool is a powerful circular current of water (usually the result of conflicting tides). There are many other definitions of whirlpool to get some of them - just search in Google for define: whirlpool.临沂高新区万茂板材厂 木质材料 原木 木板材 木质型材
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There so many other whirlpools! Learn more about them in this sample article.