鉄筋圧接の超音波検査
4:14
Added: 3 years ago
From: tach555k
Views: 2,949
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  • うん、梁なんてまともに検査できない。

    takahirofumiko 5 months ago

  • 実際の現場で、これだけ検査しやすい環境ってほとんどないよね。­

    Mr19880207 7 months ago

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