alteration of monitoring system的用法和樣例：
例句
- The application of inverter in cooling tower fan system modification was introduced.
摘要介紹了變頻器在冷卻塔風機系統改造中的應用。 - The main factors influencing sulphur removal efficiency of FBC is discussed, and some problems in the refurbishment and design of FBC desulphurization system are put forward.
論述了流化床鍋爐脫硫原理及影響脫硫效率的主要因素，給出流化床鍋爐脫硫系統改造設計中應注意的一些主要問題。
