double groove

基本解釋

The utility model is composed of a post, a guide rail, a movable rod, a traction rope, a support rope, a double groove pulley, a button, etc.
該裝置由柱樁、導(dǎo)軌、活動(dòng)桿、牽引繩、支撐繩、雙槽滑輪、按鈕等組成。
ip.com
The double groove steel is suspended under the two nodes of bottom chord of steel roof truss to prevent the bottom chord from stretch bending.
文章論述了在設(shè)計(jì)中采用鋼屋架下弦兩節(jié)點(diǎn)下懸吊雙槽鋼作為分布梁避免鋼屋架下弦拉彎工作。
So this paper is related to the study of basic forming principles of cold rolling for double groove ball bearing outer rings from theory, numerical simulation and experiment.
本文以雙溝軸承外圈為研究對(duì)象，從理論、數(shù)值模擬和實(shí)驗(yàn)角度對(duì)雙溝軸承套圈冷輾擴(kuò)成型基本規(guī)律進(jìn)行了深入研究。