发布时间:2025-02-03 07:55:41
泥浆比重任何情况下不得低于1.06 最佳保持在1.1左右,含砂率不得高于7%,粘度不得高于30s,最佳25左右,这是砂性土,粘性土有点不一样,规范的话去看地下铁道施工规范
我想装修就西式快餐店一样内墙有三合板然后刷胶贴铝槊板单色的60平方要多少钱
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