saving and using energy rationally
saving and using energy rationally
节约和合理利用能源
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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Improving production efficiency, saving and using energy rationally, decreasing waste and reducing cost, all these are hot subjects in furniture industry.
提高效率、节约和合理利用能源、减少浪费、降低成本已成为家具行业研究的热门课题。
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