常見例句雙語例句Therefore, it's necessary to study the erosive wear mechanism of drilling string in air drilling.爲(wèi)此,有必要對空氣鑽井鑽柱的沖蝕磨損機理進行研究。lib.swpu.edu.cnIn this paper, the research works on the wear of polymers are reviewed, mainly in the aspects of sliding wear, abrasive wear and erosive wear.本文綜述了近年來國內(nèi)外學(xué)者在高分子材料磨損方麪的研究工作,著重闡述了滑動磨損、磨粒磨損、沖蝕磨損的研究進展。A stepped pipeline design method was presented to resolve the problems of erosive wear and particle degradation in dense phase pneumatic conveying.針對濃相氣力輸送中由於氣流速度過高所引起的琯道磨損和物料品質(zhì)降級等問題,提出了一種變逕琯道系統(tǒng)設(shè)計方法。 返回 erosive wear