您要查找的是不是：
- 雙面U形坡口double U-groove
- 單U形坡口single-U groove
- 雙U形坡口double-U groove
- 雙U形坡口焊接double U groove weld
- 單面復合U形坡口single compound angle groove
- 雙面J形坡口double-J groove
- 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.
- 雙面坡口接頭double groove joint
- U形U-shaped
- 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
- 雙面Ｕ型坡口[化] double U-groove
- U形急轉彎a hairpin turn
- 保安鏈U形夾check chain clevis
- Ｘ形坡口double-V groove
- 管子已被彎成了U形。The pipe had been turned in a U-shaped curve.
- U形梁U-shaped beam
- 雙面U型坡口double U-groove
- U形棚U - metal - bracket
- U形環(huán)U-loop
- 喇叭形坡口焊接flare welding
