It decreased the consumption of raw material and power. It also reduced the pollution.

经过试生产证明，改造后降低了原料和动力消耗，减少了污染物排放。

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It decreased the consumption of raw material and power. It also reduced the pollution.

经过试生产证明，改造后降低了原料和动力消耗，减少了污染物排放。

youdao