一、钢管预留环缝的作用 钢管预留环缝是指在钢管生产过程中保留一定宽度、深度、角度和位置的缝隙。这种技术能够避免钢管连接处出现渗漏和脆性破坏问题,可以增加钢管连接的可靠性和安全性。钢管预留环缝还能够方便钢管的安装和维护,减少了钢管的加工难度和成本。 二、钢管预留环缝的施工要求 钢管预留环缝的尺寸要符合设...
压力管道伸缩管预留环缝合拢时机研究 2. On the prevention and control of the cracks and leakage in external walls under the humid condition 潮湿环境下住宅外墙裂缝渗漏的预防和控制 3. I allow for this possibility; The seamstress planned for 5% shrinkage after the first wash. ...
1)preparatory circumferential welding seam预留环缝 1.Opportune time for shutingpreparatory circumferential welding seamof penstock′s expansion section压力管道伸缩管预留环缝合拢时机研究 英文短句/例句 1.Opportune time for shuting preparatory circumferential welding seam of penstock′s expansion section压力管道伸...