metering system

• 测试装置

metering system的用法和样例：

例句

1. The department owns many modern devices, such as audiometers, phono-laryngograph, and hearing aid testing system, visit-pitch and different speech-language test battery.
   本科拥有现代化的检测仪器，如各种听力计，喉发声检测仪，助听器测试装置，可视语音语调测试仪等以及各种言语成套测验。