求翻译：初步确定了再生粗骨料的质量标准。分析了再生粗骨料取代率、砂率、水灰比等因素对再生混凝土和易性的影响。是什么意思？

Initially set quality standards for recycled coarse aggregate. Analysis of the recycled coarse aggregate replacement rate, the rate of sand, water-cement ratio and other factors on the workability of recycled aggregate concrete.

Renewable sources of rough galvanizer initially set the quality standards. Analysis of the renewable rough galvanizer replacement rate, sand, water cement ratio and other factors affecting the regeneration of concrete and vulnerable nature.

Had determined initially regenerates the thick aggregate the quality specification.Analyzed has regenerated, the granulated substance rate, water ratio factors and so on the thick aggregate substitution rate to regenerates the concrete workability influence.

Preliminary determination of quality of recycled coarse aggregate standard. Analysis of recycled coarse aggregates replacement rate, rate of sand, water cement ratio and other factors on regeneration of workability of concrete effects.

Preliminary determination of quality of recycled coarse aggregate standard. Analysis of recycled coarse aggregates replacement rate, rate of sand, water cement ratio and other factors on regeneration of workability of concrete effects.