call divider

例句：

1. 1. This call divider is designed to improve the clarity of our calls.
   这款呼叫分隔器旨在提高我们通话的清晰度。
2. 2. The engineers used a call divider to connect the two lines.
   工程师们使用了一个呼叫分隔器来连接两条线路。
3. 3. The call divider was essential for maintaining a clear and efficient communication system.
   呼叫分隔器对于保持清晰高效的通信系统至关重要。