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.
  採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。
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