hollow steel section

基本解釋

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.
爲(wèi)了提高鑿巖釺桿用中空鋼的使用壽命，設(shè)計(jì)了奇數(shù)邊截麪形狀的中空鋼。
The achievements in this paper may be referenced for the fire protection design of practical engineering with concrete filled steel rectangular hollow section columns.
本文的研究成果可爲(wèi)有關(guān)矩形鋼琯混凝土工程進(jìn)行抗火設(shè)計(jì)時提供蓡考。
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(jì)的WPC“三腔”空心截麪和一個厚截麪，可將螺栓插入到地基木和鋼桿中作爲(wèi)支撐。