• Place the house sponge on the cinder block and place the brick with the carpenter's sponge sand paper and duct tape on top of the sponge.

    家用海绵放在空心煤砖(作桌子),上面依次放置砖头木匠用海绵、砂纸胶带在海绵之上。

    youdao

  • Grit, fly ash, cinder residue, active carbon, air brick detritus were used as filtering media according to proper proportion for low concentration domestic sewage treatment.

    选取粗砂粉煤灰、细煤渣活性炭和空心砖粉块作为介质,再适当的比例配成填料处理柱,进行处理浓度生活污水的研究。

    youdao

  • Grit, fly ash, cinder residue, active carbon, air brick detritus were used as filtering media according to proper proportion for low concentration domestic sewage treatment.

    选取粗砂粉煤灰、细煤渣活性炭和空心砖粉块作为介质,再适当的比例配成填料处理柱,进行处理浓度生活污水的研究。

    youdao

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