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In recent years, paper machine speed, production efficiency and product quality improve significantly.
最近几年，纸机的车速、生产效率及产品质量都获得了显著提高。
youdao
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In recent years, paper machine speed, production efficiency and product quality improve significantly.
最近几年，纸机的车速、生产效率及产品质量都获得了显著提高。
youdao