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A raw rubber for millable polyether polyurethane elastomer was prepared.

一种新型的聚醚型聚氨酯生胶。

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The mass spectra of ureide-type noncyclic polyethers with 2(3H)-benzoxazolone as end groups were studies.

2(3H)-并唑酮为端基、具有酰脲结构的非环多醚化合物的质谱。

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expansible, expansile, expansimeter, expansin, expansion, expansion bolt, expansion program, expansion slot, expansionary, expansionism,

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3G, 401(K), a,

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Becoming

You wouldn't think I'd be the type of person to find psychic relief in the intricacies of the urethane polyether polyol trade, but I did.

你不会认为我会是那种在错的聚醇贸易中找到心理解脱的人,但我做到了。

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expatiate, expatiation, expatiatory, expatriate, expatriation, expats, expect, expectability, expectable, expectably,

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3G, 401(K), a,
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