electric resistance holding furnace

例句：

1. 1.The electric resistance holding furnace is used to test the electrical conductivity of materials.
   电抗炉用于测试材料的导电性。
2. 2.The electric resistance holding furnace is a critical tool in the field of electronics.
   电抗炉是电子领域的关键工具。
3. 3.The electric resistance holding furnace is essential for the quality control of electronic components.
   电抗炉对于电子元件的质量控制至关重要。