technological know-how的用法和樣例：
例句
- You need technical knowledge to understand how this system works.
你需要具備技術(shù)知識才能了解這套系統如何工作。 - It is that it is essential for the professional students of modern electromechanics to master the technological knowledge of modern numerical control.
掌握現代數控技術(shù)知識是現代機電類(lèi)專(zhuān)業(yè)學(xué)生必不可少的。
