发布时间:2025-01-21 05:49:30
估算定额:粗线条的概算,项目笼统简单
概算定额:项目综合,作为投资编制依据
预算定额:基础定额,可以指导施工和投资
内部定额:仅限与企业内部使用
如何设计4.5*4.8,的三跑楼梯,一二三层楼的平面图,还要标高哦
2025-01-21 05:49:30 2025-01-21 05:49:30 2025-01-21 05:49:30 2025-01-21 05:49:30比较顽固的松香藏在焊接好了的成品里面怎么高效的清洗出来求高效松香清洗剂配方
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