发布时间:2025-01-31 04:43:38
建筑行业没有这种说法,应该是“含泥量高”,就是沙子里面粒径小于75微米的颗粒含量比例过高,影响砂浆或混凝土的和易性和强度。
我在北京,想打1008611但是他说要加区号,那我是打0101008611还是1008611010
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