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关注:1
2013-05-23 12:21
求翻译:less than 0.1% by weight each of lead, mercury, hexavalent chromium, PBB, and PBDE, and 0.01%是什么意思?![]() ![]() less than 0.1% by weight each of lead, mercury, hexavalent chromium, PBB, and PBDE, and 0.01%
问题补充: |
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