您要查找的是不是：
- 银silver
- 螺snail
- 螺杆screw
- 塔钟每小时鸣奏一次。The tower bells chime every hour.
- 塔钟turret clock
- 镀银silver plating
- 塔钟打点轮系turret clock trains
- 螺柱double-screw bolt
- 银联Unionpay
- 塔钟打点凸轮turret clock striking cams
- 螺孔screw
- 银的silvern
- 塔钟的分布式控制Distributed control for tower clock
- 银饰silver ornament
- 螺塞plug screw
- 塔钟的单片机自动控制系统设计Design of Single Chip-computer Autocontrol System of Tower Clock
- 银监会Banking Supervision Commission
- 螺杆泵screw pump
- 银丝filamentary silver
- 螺牙thread
