您要查找的是不是：
- U形槽活塞U-slot piston
- 带T形槽活塞T slot piston
- u盘
- 活塞piston
- 单式U形槽single-U groove
- 活塞销piston pin
- 活塞式plunger type
- 双u形槽焊double u groove weld
- U盘/优盘USB drive
- Ｖ形槽V-slot
- 活塞运动piston motion
- 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.
- Ｖ形槽的V-grooved
- 把九号车床调好来车这个新活塞。Get lathe No.9 set to turn the new piston.
- Ｖ形槽块V-block
- U形U-shaped
- 徒工们都跑过来帮助装活塞。All the apprentices rushed to help fit the piston.
- Ｖ形槽闸V-notch weir
- U形急转弯a hairpin turn
- 活塞行程throw of piston
