您要查找的是不是：
- 隔离带U形调头median U-turn
- U形河曲内的土地在有这样的弯管的河里的地The land within such a bend of a river.
- 保安链U形夹check chain clevis
- 管子已被弯成了U形。The pipe had been turned in a U-shaped curve.
- 单U形坡口single-U groove
- U形梁U-shaped beam
- U形棚U - metal - bracket
- U形环U-loop
- u形谷u shaped valley
- u形管u pipe
- U形臂U-arm
- U形的hyal
- U形杆U-bar
- U形夹clevis; U-clamp
- U形卡stirrup
- U形针staple acupuncture
- U形钉staple
- U形件U-shape part
- 总汽门U形夹throttle clevice
- U形附板U -shaped plate
