downward vertical weld的意思|示意
美 / /
英 / /
向下垂直焊接
downward vertical weld的网络常见释义
向下立焊焊缝 ... 向下立焊条 electrode for vertical down welding 向下立焊焊缝 downward vertical weld; vertical down weld 立焊 vertical position of welding; vertical position welding; vertical welding; vertical-down weld; vertical-position welding; verticalwelding ...