concentrated practice method
concentrated practice method
集中练习法
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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The method that alcohol waste is concentrated in falling film plate evaporator, is proved to be successful in practice.
用板式降膜蒸发器蒸发浓缩酒精废液的方法；经生产实践证明，已取得初步成功。
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