下行焊
詞語: 下行焊
解釋: downward welding in the inclined positioin;verical down welding
詞典: 船舶專業漢英詞典
下行焊 相關解釋
下行焊 downward welding in the inclined positioin
本文鏈接:https://www.smyyj.com/hanyingcidian/chuanbohanying/386077.html