weld back-up

焊接相关词汇_焊接人社区 ... weld backing 焊缝衬垫 weld back-up 焊缝背垫 weld bead height 焊缝高度 ...

back weld是什么意思_back... ... 1. 背面焊缝 back sealing weld 1. 焊缝背面 weld back-up 1. 焊缝背垫 back-face weld ...

weld up是什么意思_weld up的翻译_音标_读音... ... 1. 上向焊 weld up ii 1. 焊接装备 weld back-up 1. 焊缝背垫 built-up weld ...