A concrete compound admixture consists of the following components by weight portion: 5 to 6 portions of single-milled iron slag powder and 5 to 4 portions of single-milled limestone powder.
一种混凝土复合掺和料，由按重量份配比的以下组分组成，单磨铁矿渣粉5～6份，单磨石灰岩粉5～4份；
A concrete compound admixture consists of the following components by weight portion: 5 to 6 portions of single-milled iron slag powder and 5 to 4 portions of single-milled limestone powder.
一种混凝土复合掺和料，由按重量份配比的以下组分组成，单磨铁矿渣粉5～6份，单磨石灰岩粉5～4份；
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