您要查找的是不是：
- U型结构U-Structure
- 结构structure
- U型槽结构U shape structure
- U型薄壁结构U-type thin wall structure
- 苯型结构benzenoid structure
- U型U shape
- 缝型结构Seam Construction
- U型壳U - shell
- T型结构T architecture
- U型槽U -Shape Groove
- Y型结构Y-shaped structure
- U型箍U-ferrule
- C型结构C structure
- U型拉槽U cutting
- M型结构Multi-divisional structure
- U型挡板U stop prate
- 同型结构[医] homologous structure
- U型螺钉U type screw
- 村型结构Tree Stmcture
- U型弯曲U-bending
