weld root reinforcement的意思|示意
美 / /
英 / /
焊缝根部加固
weld root reinforcement的网络常见释义
焊缝反面加强 ... 锅炉焊缝加强 upgrading of boiler weld 焊缝反面加强 weld root reinforcement 加强焊缝 reinforcement of weld ; reinforced weld ...