发布时间:2025-01-24 04:41:27
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
书上说施工图预算是投标报价的主要依据,不是施工定额吗,怎么是施工图预算呢
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