Chemical disposal的用法和样例：
例句
- The mechanisms and some affect factors for chemical disposal defluorination of wet-process phosphoric acid were introduced.
介绍了湿法磷酸化学法脱氟的脱氟机理和影响脱氟率的多种因素。 - Chemical analysis using spectrometer and chemical mathod at the same time to ensure impurities are within specification.
用光谱和化学法同时进行化学成份分析确保化学成份在控制范围。
