您要查找的是不是：
- U型結構U-Structure
- 結構structure
- U型槽結構U shape structure
- U型薄壁結構U-type thin wall structure
- 苯型結構benzenoid structure
- U型U shape
- 縫型結構Seam Construction
- U型殼U - shell
- T型結構T architecture
- U型槽U -Shape Groove
- Y型結構Y-shaped structure
- U型箍U-ferrule
- C型結構C structure
- U型拉槽U cutting
- M型結構Multi-divisional structure
- U型擋板U stop prate
- 同型結構[醫] homologous structure
- U型螺釘U type screw
- 村型結構Tree Stmcture
- U型彎曲U-bending
