您要查找的是不是：
- 雙子座U型星U Geminorum stars
- U型U shape
- 雙子座Ｕ型星U Geminorum stars
- U型殼U - shell
- 型星N star N
- U型槽U -Shape Groove
- 雙子座ζ型星Zeta Geminorum stars
- U型箍U-ferrule
- U型拉槽U cutting
- U型擋板U stop prate
- U型螺釘U type screw
- 雙子U型星U Gem star
- U型結構U-Structure
- U型彎曲U-bending
- 天箭座U型星U Sagittae
- U型手柄U-handle
- U型布置U-layout
- U型模型U-model
- U型鋼梁U-section steel beam
- U型通道U-shaped channel
