呼叫装置 meaning in Chinese
calling device
Examples
- Acu automatic calling unit
自动呼叫装置 - Global maritime distress and safety system - part 3 : digital selective calling equipment - operational and performance requirements , methods of testing and required testing results
海上呼救和安全装置.第3部分:数字选择呼叫装置.操作和功能要求.试验方法和规定试验结果