green and environmental-friendly sand-gravel是什么意思 green and environmental-friendly sand-gravel怎么读
green and environmental-friendly sand-gravel的相关资料
greenadj.绿色的;长满绿色植物的;环保的;无经验的;未成熟的n.绿色;草地vi.变绿vt.使…变绿;使…恢复活力Green.n.格林(姓氏)
green feed青绿饲料,青用饲料,青饲料
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