短語詞組短語toe of weld 焊趾;焊接縫突趾;焊跳;焊趾英語weld toe and weld root 焊趾和焊根toe of the weld 焊縫邊界weld toe 焊趾weld toe crack 焊趾裂紋weld toe cracks 焊趾裂紋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