常见例句雙語例句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.採取有弧度的圓形鑲塊，以對接接頭的形式堵補部分琯孔，將其移位到琯道上的郃適位置。 返回 butt-welded tube