Average expected useful life of new publicly owned road assets, Infrastructure Canada
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下载链接：
https://www150.statcan.gc.ca/t1/tbl1/en/tv.action?pid=3410007201
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资源简介：
Average expected useful life of provincially, territorially, regionally and municipally owned roads for all provinces and territories. Values are presented in years.
提供机构：
Government of Canada
创建时间：
2019-07-23
