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septic sludge例句_septic sludge英汉例句_septic sludge双解例句_食材铺反向词典
食材铺反向词典

septic sludge

S 开头单词

常见例句

    双语例句

  • Pathogens such as bacteria and viruses are widely spread in septic tanks, sewage sludge, wastewater and other sources.
    细菌和病毒等致病微生物广泛存在于化粪池、污水污泥、废水等源头。
    • 返回 septic sludge