longitudinal seam welding machine中文,longitudinal seam welding machine的意思,longitudinal seam welding machine翻译及用法 2026-10-17 23:01 浏览次数 33 longitudinal seam welding machine[lɔndʒiˈtju:dinl si:m ˈweldɪŋ məˈʃi:n]纵缝焊机