pipes & tubes
... 建筑管道系统和配件 building services piping 管道及管子 pipes & tubes 阀门 valves ...
基于136个网页-相关网页
... pipes andtubes 管道及管子 compensation pipes 补偿管线 Plastics pipes 塑料管 ...
基于88个网页-相关网页
·2,447,543篇论文数据,部分数据来源于NoteExpress
分析了手工下向焊、半自动焊、自动焊及特种焊等焊接方法的特点,在选择焊接方法时应考虑管道直径、壁厚、管道长度、设计条件、管子级别等因素。
The features of manual downhill welding, semiautomatic welding, automatic welding and other welding technologies like butt flash welding and laser beam welding (LEW) and so on are analyzed.
youdao
应用推荐
模块上移
模块下移
不移动