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5N

网络5N尿素(5N-urea)

5N

5N

5N尿素(5N-urea)

15N标记尿素,urea with... ... ) 15N-urea1 5N-尿素 ) Urea with 15N1 5N尿素 N_labelling1 5N标记 ...

1

Patent of High Purity Aluminium Refining Equipment Producing the 5N-6N high purity aluminium is the cutting edge technology in the industry .

高纯铝提纯设备专利提纯出纯度为 5N5-6N 的高纯铝是高纯铝业金字塔的尖端工艺。

3

if it's "rose gold, " it could be 4N or 5N;

如果它是 “玫瑰金 ”，它也许是 4N 金或者 5N 金；

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