老商，加拿大最近10年幹成功過任何正經的工程嗎？輸油管道，疫情控製，軌道交通，水壩等等

來源: 通州河於 2021-02-26 07:54:28 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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