短语词组短语toe of weld 焊趾;焊接缝突趾;焊跳;焊趾英语weld toe and weld root 焊趾和焊根toe of the weld 焊缝边界weld toe 焊趾weld toe crack 焊趾裂纹weld toe cracks 焊趾裂纹weld toe ground 焊趾打磨weld toe angle 焊趾角weld toe TIG remelting 焊趾TIG重熔 返回 toe weld