基本解釋薄壁型鋼英漢例句雙語例句In order to enhance the service hfe of hollow steel for rock drill stem, the odd number side section shape hollow steel has been designed.為了提高鑿巖釬桿用中空鋼的使用壽命，設(shè)計了奇數(shù)邊截面形狀的中空鋼。The achievements in this paper may be referenced for the fire protection design of practical engineering with concrete filled steel rectangular hollow section columns.本文的研究成果可為有關(guān)矩形鋼管混凝土工程進行抗火設(shè)計時提供參考。She also tested a more economical "three box" hollow section and a thicker section WPC that allowed studs to be inserted into the sill plate and steel rods to be used as holdowns.她還測試了一種更經(jīng)濟的WPC“三腔”空心截面和一個厚截面，可將螺栓插入到地基木和鋼桿中作為支撐。hollow steel section更多例句詞組短語短語hollow section steel fence 空心鋼欄hollow section steel fencing 測孔千分尺Square hollow section steel 方管鋼hollow steel section更多詞組