... 偶氮染料废水：Azo Dye Wastewater 欧洲贸易壁垒：European trade barrier 偶氮胭脂红B：azocarmine B ...
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european trade barrier
欧洲贸易壁垒
以上为机器翻译结果，长、整句建议使用 人工翻译 。
This ambiguity also frustrates American trade officials, who consider European labelling laws, both in theory and in their rather confused practice, to be a technical barrier to trade.
ECONOMIST: Food for thought | The
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