weld

weld Butt Weld weld nipple weld,calc. back weld和backing weld区别在那里 Hot plate weld 急用! butt weld 是什么意思 weld connection是什么意思 weld中文意思 padding weld 汉语怎么说 solder 和weld有什么区别? tried,penang,weld Quay,怎么读 油井术语 slip on weld 13 5/8” Slip on weld bottom preparation. it takes speed to weld steel at this heat.意思 英语翻译weld projection如下图 tube projection原文如下图 Weld Quay和umbrella怎么读啊 求谐音 哪位仁兄帮我解释下WELD是什么意思? 英语翻译A mechanical weld pool ejection rig developed in this study provided a quick and ready means of defining a full 3D weld-pool shape.