The replacement of common smooth tubes by new spiral groove tubes during technical reconstruction of heat exchanger is both simple and remarkable energy-saving effectiveness.
用新型螺旋槽管代替普通光管对换热器进行技术改造，既简便易行，节能效果又显著。
It lays foundation for direct reconstruction of milling insert's 3d groove.
为直接重构铣刀片三维槽形打下基础。
Objective To explore the reconstruction of nasal defects through transposition of nasolabial groove flaps with pedicel.
目的探讨鼻唇沟皮瓣修复各类鼻部分缺损的方法。
应用推荐