off design operation的用法和樣例：
例句
- Further, the modeling principles of HRSG on design and off-design points are introduced.
討論餘熱鍋爐在設計工況和變工況下相關部件的建模。 - According to the new varying operation conditions theory, it introduces a new type and exact method to calculate the exhaust steam enthalpy.
根據此變工況理論，給出了計算排汽焓的新型準確的方法。
