heating coil drain valve

例句：

1. 1. The heating coil drain valve is essential for maintaining the proper temperature in the room.
   加热线圈排水阀对于保持房间内适宜的温度至关重要。
2. 2.The technician replaced the heating coil drain valve and tested it to ensure it was working properly.
   技术员更换了加热线圈排水阀并测试了它，以确保其正常工作。
3. 3.The manufacturer recommends that the heating coil drain valve be inspected regularly to prevent potential issues.
   制造商建议定期检查加热线圈排水阀，以防止潜在问题。