longitudinally welded

常見例句

In this paper, several problems in the production and application of ERW longitudinally welded casing are discussed.
ERW直縫焊套管已在我國廣泛使用，本文結(jié)合生產(chǎn)及使用中發(fā)現(xiàn)的間題淺談幾點看法。
The rapid analysis method of welding quality, acid washing test, for the longitudinally high frequency welded pipe is introduced.
介紹了一種快速分析高頻直縫焊管焊接質(zhì)量的方法——酸洗試驗。
Furthermore, to meet the needs from market, it is helpful to reconstruct the existing longitudinally welded tubing mill in our country.
為滿足市場對復(fù)合管的需求，對于我國直縫焊管機組改造有借鑒作用。