您要查找的是不是：
- 雙U形坡口對接焊縫double-u butt weld
- 形坡口對接焊縫double-bevel butt weld K
- K形坡口對接焊縫double-bevel butt weld
- 雙U形坡口double-U groove
- 雙U形坡口焊接double U groove weld
- 連續對接焊縫closed butt weld
- 環(huán)形對接焊縫girth butt weld
- 無(wú)坡口對接焊plain butt weld
- 雙u形對接焊double u butt groove weld
- 船體對接焊縫hull butt welding seam
- 斜口對接焊縫angle butt weld
- U形河曲內的土地在有這樣的彎管的河里的地The land within such a bend of a river.
- 無(wú)坡口對接接頭straight butt weld
- 管道對接焊縫超聲檢測爬行器的研制Automatic scan device of ultrasonic NDT in detecting the pipeline girth welds
- U形U-shaped
- 高壓導汽管與法蘭對接焊縫挖補處理CUT-OUT AND WELD-UP TREATMENT OF DEFECTED WELDSEAMS FOR THICK-WALL ALLOY STEEL TUBE
- 基于非協(xié)調強化假定應變單元的U形薄殼渡槽槽身受力分析Analysis of the Stress for U-Shaped Thin Shell Aqueduct Based on Strain Unit of Non-Harmonious Strengthening Supposition
- 對接焊縫超聲波探傷質(zhì)量評定方法的改進(jìn)Improvement on the Method of Supersonic Inspection of Butt-joined Seams in Quality Assessment
- U形急轉彎a hairpin turn
- 雙坡口油環(huán)Double bevelled oil control ring
