porcelain lead-in bushing

例句：

1. 1.The porcelain lead-in bushing is a crucial component in the electrical circuitry of our electronic devices.
   瓷质引线衬套是电子器件电气线路中的关键部件。
2. 2. The porcelain lead-in bushing ensures that the wires are securely connected to the circuit board without any interference.
   瓷质引线衬套确保电线与电路板可靠连接，避免干扰。
3. 3. The porcelain lead-in bushing is designed to withstand high temperatures and humidity, making it ideal for use inoutdoor or harsh environmental conditions.
   瓷质引线衬套设计用于承受高温和湿度，非常适合户外或恶劣环境使用。