梁-梁の地組み作業 高力ボルトを一次締め→マーキング→本締め→目視確認の順で確実に締付けを行います。
This entry was posted on 金曜日, 6月 19th, 2015 at 4:41 PM and is filed under . You can follow any responses to this entry through the RSS 2.0 feed. Both comments and pings are currently closed.
Comments are closed.