例文
- もっと例文: 1 2 3
- Backing weld before making main wel back weld
- 14 npt lead pressure transition joint and back welding lead - pressure tube code c12
- 1 2 - 14npt lead pressure transition joint and back welded lead pressure tube stainless steel
- 1 2 - 14npt lead pressure transition joint and back welded lead pressure pipe stainless steel
- A2 . 14 npt lead pressure transition joint and back welding lead - pressure tube code c12