您要查找的是不是：
- hydrolocation chronoscope 水中定位测时计
- Consumer Electronics such like self-operated thermostatic control, chronoscope, coffeemaker, thermotron, electric razor, fuel gas equipment for kitchen; 消费电子如自动调温器、记时器、咖啡机、电子温度计、电动剃刀、燃气厨房设备；
- chronoscope pushbutton 计时器按钮
- hydrolocation 水声定位
- spark chronoscope 电火花计时器
- chronoscopen. 极微时间测定器
- Hipp's chronoscope 希普计时器
- crystal chronoscope equipment 石英计时装置
- vernier chronoscope 微差计时器
- Dunlap chronoscope 丹拉普计时器
