hard-rolling mill的用法和樣例：
例句
- Finally, the torsion vibration nature frequency and torque amplitude factor of a rolling mill are calculated by using finite element method.
最後使用有限元法計算了某鋼廠冷軋機主傳動軸系的扭振固有頻率和轉矩放大係數。 - It is believed that properties of the emulsified rolling oil will have a direct influence on the preductivity of the cold rolling mill and quality of the roled preducts.
軋制油乳化液直接影響到冷軋機的產量及產品質量。
