concert
发表于 2025-3-25 04:36:57
6楼
aspect
发表于 2025-3-25 09:39:38
6楼
矿石
发表于 2025-3-25 14:33:06
7楼
NOT
发表于 2025-3-25 17:40:50
7楼
垄断
发表于 2025-3-25 20:03:19
7楼
傻瓜
发表于 2025-3-26 01:21:53
7楼
客观
发表于 2025-3-26 08:05:49
8楼
explicit
发表于 2025-3-26 09:44:31
http://reply.papertrans.cn/35/3441/344034/344034_28.png
痛得哭了
发表于 2025-3-26 13:07:57
http://reply.papertrans.cn/35/3441/344034/344034_29.png
Mawkish
发表于 2025-3-26 20:21:38
https://doi.org/10.1007/978-3-031-40885-4these estimated figures for each group the range is great — from about 15 per cent for some repair and maintenance and some new civil engineering work to probably 75 per cent for some new building work involving a high proportion of expensive components.