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[null,"材质","规格型号","单位","数量","图纸","单价","总价"]
["填料压圈",304,"φ1200","个",{"$f":"2*4","v":8},"BLG-1200"]
["填料支撑",304,"φ1200","个",{"$f":"2*4","v":8},"SUP-1200"]
["进料分布器",304,"φ1200","套",{"$f":"2*1","v":2},"dis1200"]
["回流液体分布器",304,"φ1200","套",{"$f":"2*3","v":6},"col1200"]
["填料",304,"JWB700","m³",13.56]
["填料","316L","JWB700","m³",15.82]
[]
["丝径：0.15,塔共4层：2层材质304层高3 m，2层材质316L层高3.5m"]

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