hot hardness assembly

例句：

1. 1.The hot hardness assembly is crucial forthe quality of the product.
   热硬度组合对于产品的质量至关重要。
2. 2. The engineer used ahot hardness assembly to test the material's strength.
   工程师使用热硬度组合来测试材料的强度。
3. 3. The hot hardnessassembly was designed to improve the durability ofthe components.
   热硬度组合被设计用来提高组件的耐用性。