ultrasonic receiver的用法和樣例：
例句
- Allow Use of Low Cost Receiver in Voting System.
允許在比選系統中使用低成本接收機。 - Install sponge as shock absorber for battery and Receiver.
接收機和電池都需用泡沫海綿包裹減震。 - Allow Use of Low Cost Receiver in Voting System.
允許在比選系統中使用低成本接收機。 - Install sponge as shock absorber for battery and Receiver.
接收機和電池都需用泡沫海綿包裹減震。
