transmission type cavity frequency meter

例句：

1. 1. The newtransmisson type cavity frequency meter is more precise than the old one.
   新型传输类型腔体频率计比旧的更精确。
2. 2. The engineer used the new transmisson type cavity frequency meter to test the equipment.
   工程师使用新型传输类型腔体频率计来测试设备。
3. 3.The transmisson type cavity frequency meter was used to measure the temperature of the liquid.
   传输类型腔体频率计被用来测量液体的温度。