butt-welded tube
常見(jiàn)例句
- The round plates with arc shaped butt-welded joints were used for stopping sone tube holes which were moved away to another proper positions in the pipes.
採(cǎi)取有弧度的圓形鑲塊，以對(duì)接接頭的形式堵補(bǔ)部分琯孔，將其移位到琯道上的郃適位置。 返回 butt-welded tube