贝壳灰替代石灰用于生产蒸压加气混凝土砌块，具有较好的社会效益和经济效益。
It can bring better social and economic benefit for the production of autoclaved aerated concrete block with the addition of oyster-shell lime.
贝壳灰替代石灰用于生产蒸压加气混凝土砌块，具有较好的社会效益和经济效益。
It can bring better social and economic benefit for the production of autoclaved aerated concrete block with the addition of oyster-shell lime.
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