porosity control的用法和樣例：
例句
- The importance of hot rolled profile to flatness control of cold rolling is also clarified in theory.
從理論上闡明了鋁熱軋板形對冷軋帶材平直度控制的重要性。 - Here, we integrate both of them and propose reliable VSC control schemes to spacecraft attitude tracking problems.
另一方面，隨著航空及工業界對可靠度的要求增加，有關可靠度控制的研究在這幾年也成為一個非常熱門的議題。
