カナデビア、無資格で溶接 12年で172件 橋梁や海洋構造物 「安全に重大影響ない」 by | Feb 21, 2025 | ニュース | 0 comments Post Content Submit a Comment Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment.