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供(gong)應(ying)全瓷球拱(gong)(gong) 全瓷橋拱(gong)(gong)由許多大小分(fen)布(bu)均勻,相(xiang)互(hu)連通的(de)橋拱(gong)(gong)狀開(kai)口氣孔組成(cheng)，達到機械篩(shai)濾凈化或擴散.流態化等功效.