1)Harmless,无害性2)the principle of innocuity,无害性原则3)harmless,无害4)harmless disposal,无害化5)harmless,无害化6)nonpolluting draining,无害排放
用法和例句
Harmless Examination: New Analysis of the Nature of Administrative License;
无害性审查:行政许可性质新说
The other is to analyze the cause of his claim of "harmless to readers" in morality, and to confirm the effort he made to bring his novel closer to life by the contrast between "San Yan" and "Xing Shi Yan".