求翻译：⑴ 以粉煤灰、脱硫石膏和普通水泥为主要原料制备泡沫混凝土试块，当水泥用量为20%时，可满足泡沫混凝土试块1d拆模强度要求，当脱硫石膏与粉煤灰用量比例为2:8时，混凝土具有相对较高的早期抗压强度和较低的容重。是什么意思？

⑴ fly ash, gypsum and Portland Cement prepared for the main raw material for foam concrete block, when the amount of cement to 20%, which can meet the strength requirements of the foam concrete block 1d form removal, when the proportion of FGD gypsum and fly ash dosage 2:8, concrete has a relatively

(1) to coal ash, desulphurization plaster and Portland cement as the major raw material preparation test blocks, foam concrete cement usage when it is 20 per cent, you can try for foam concrete block 1D split the strength requirements, desulphurization plaster and pulverized fuel ash usage ratio of

⑴ Take pulverized coal ash, desulphurization gypsum and Portland cement as primary data preparation foam concrete briquette, when the cement content is 20%, may satisfy the foam concrete briquette 1d form removal intensity request, when the desulphurization gypsum and the pulverized coal ash amount

⑴, desulfurization gypsum and fly ash Portland cement as a main raw material preparation of foamed concrete block, when 20% is cement dosage, to meet the test of foam concrete blocks 1d mold-breaking strength requirements, when the flue gas desulphurization gypsum and fly ash consumption ratio is 2:

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