0 Old HSK word(s):



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Hsk Characters:

HSK -Characters and beyond:
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Schmutzstoffeinleitung (S) [wu1 ran3 wu4 pai2 fang4] 污染物排放
Umwelttechnik (S) [wu1 ran3 wu4 pai2 fang4 kong4 zhi4 ji4 shu4] 污染物排放控制技术


1.21 Ökologie, Umweltschutz Schadstoffemission + Pollutant emission + 污染物排放 +