Chemical disposal的用法和樣例：
例句
- The mechanisms and some affect factors for chemical disposal defluorination of wet-process phosphoric acid were introduced.
介紹了濕法磷酸化學法脫氟的脫氟機理和影響脫氟率的多種因素。 - Chemical analysis using spectrometer and chemical mathod at the same time to ensure impurities are within specification.
用光譜和化學法同時進行化學成份分析確保化學成份在控制範圍。
