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A novel dust proofing agent for dyestuff was prepared by the addition of industrial fatty acid and glycol epoxide, which could produce a kind of emulsor.

采用工业脂肪酸和环氧乙烷加法剂,进而获得一种新型染料防尘剂。

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OMT, Omuda, Omuta, on, on-, on a daily basis, on a farm, on a large scale, on a regular basis, on a small scale,

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3G, 401(K), a,

声明：以上例句、词性分类均由互联网资源自动生成，部分未经过人工审核，其表达内容亦不代表本软件的观点；若发现问题，欢迎向我们指正。

原声例句
VOA Standard 2015年11月合集

It is water and dust proof, and cannot be removed from the bike without a special key.

仪器，有特殊钥匙无法拆除。

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on board, on business, on camera, on condition that, on credit, on diet, on display, on duty, on earth, on end,

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3G, 401(K), a,
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