发布时间:2025-01-24 20:57:33
必须单独计算的,你用的叫管道发泡保温工艺,聚氨酯保温是按立方米计算,聚乙烯套管是按规格分开,以米为单位的,你看工艺管道的定额,那上有说明
单栓组合式消防箱配两个灭火器,19㎜水枪一个,25米水带一个,水泵按
2025-01-24 20:57:33 2025-01-24 20:57:33 2025-01-24 20:57:33 2025-01-24 20:57:33 2025-01-24 20:57:33 2025-01-24 20:57:33 2025-01-24 20:57:33 2025-01-24 20:57:33