steel welding construction 钢焊接结构
welding construction design 焊接结构设计
On explosion welding construction 爆炸焊施工的探讨
Titanium pipe welding construction technology 钛管焊接施工技术
welding end construction 焊接端结构
welding and construction test 焊接以及结构试验 ; 焊接和结构试验
Groove preparation, cleaning before welding and butt welding construction of ther tower were showed.
介绍了坡口加工、焊前清理和上下塔对接施焊进程。
To ensure the quality of welding products, welding procedure evaluation must be made before welding construction.
为确保产品的焊接质量，在正式焊接施工前必须进行焊接工艺评定。
It analyzed the transmission rule of sound wave in steel tubular welding construction aims at the geometry of tube-tube joints.
针对管-管节点的几何特征，分析了声波在钢管焊接结构中的传播规律。
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