向上立焊
詞語: 向上立焊
解釋: upward welding in the vertical position
詞典: 造紙專業漢英詞典
向上立焊 相關解釋
upward welding in the vertical position 〔名詞〕向上立焊
upward welding in the vertical position 〔名詞〕向上立焊
向上立焊 vertical up welding
向上立焊 upward welding in the vertical position
向上立焊 upward welding in the vertical position