furnace temperature gradient

例句：

1. 1.The furnace temperature gradient is crucial for the process efficiency.
   炉温梯度对工艺效率至关重要。
2. 2. The engineer used a computer program to calculate the furnace temperature gradient.
   工程师使用计算机程序来计算炉温梯度。
3. 3. The gradient of the furnace temperature affects the quality of the product.
   炉温梯度影响产品质量。