面貼角焊 flat filled weld: 平角焊縫t-filled weld: 丁字形角焊back filled: 倒填充的; 反填充的flat weld: 平焊縫; 平焊焊縫back of weld: 焊縫背面下載手機詞典可隨時隨地查詞查翻譯