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    3. 下縮口式中小閉口桶

      發布時間:2021/11/5 10:32:02瀏覽次數:

      縮口桶方案優勢:

      采用縮口式閉口桶形式,可以避免直口式閉口桶堆高時不穩定,容易倒塌的現象。


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      3. {关键词}