welding in vertical position的意思|示意
美 / /
英 / /
垂直位置焊接
welding in vertical position的网络常见释义
立焊 ... 向下立焊 welding in vertical down position 立焊 welding in vertical position 仰焊 welding in overhead position ...
welding in vertical position相关短语
1、 fillet welding in vertical position 立角焊
2、 welding in vertical up position 向上立焊