heating tube support

例句：

1. 1.The heating tube supports the heating element in the furnace.
   加热管支撑着炉内的加热元件。
2. 2. The new design of the heating tube support has greatly improved its stability.
   新型加热管支撑的设计大大提高了其稳定性。
3. 3.The heating tube support is made of stainless steel, which ensures long-term durability.
   加热管支撑由不锈钢制成，保证了长期耐用性。