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1 非粘土砖(采用机械成型生产工艺,单线生产能力不小于3000万块标准砖/年) 1)孔洞率大于25%非粘土烧结多孔砖、空心砖; 2)混凝土空心砖、空心砌块;
1 Non-clay brick (using mechanical molding production process, single-line production capacity of not less than 30 million standard bricks / year) 1) porosity greater than 25% non-clay sintered porous brick, hollow brick; 2) hollow concrete blocks, hollow blocks;