常见例句The removal rates of NH3-N and TP were the highest and high up to 89% and 81% respectively by combination of fly ash and airbrick detritus. 粉煤灰和空心砖粉块配合使用去除NH3-N和TP的综合效果最好，分别达到了89%25和81%25。 返回 airbrick