butt-welded tube

常見例句

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.
  采取有弧度的圓形鑲塊，以對接接頭的形式堵補(bǔ)部分管孔，將其移位到管道上的合適位置。
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