Title 帯水性砂質地盤における泥土圧シールド施工による切羽 地山の挙動メカニズムに関する研

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Strong people go for help. Ask for assistance. Gnashing your teeth in the dark will not get you extra brownie points. It is a sign of strength to ask for assistance and people will respect you for it.
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4300万本书和9800万篇文章。
Ask yourself: How would you like others to perceive you? Next