arc welding with covered electrode

英 [ɑːk ˈweldɪŋ wɪð ˈkʌvəd ɪˈlektrəʊd] 美 [ɑːrk ˈweldɪŋ wɪð ˈkʌvərd ɪˈlektroʊd]
arc welding with covered electrode
【机】包覆电弧熔接