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关注:1
2013-05-23 12:21
求翻译:Plastic (All materials except metal, ceramic, and the glass) is used, but the content of bromine and chlorine does not exceed the threshold level, 900ppm, for each. And the total of bromine and chlorine does not exceed 1500ppm.是什么意思?![]() ![]() Plastic (All materials except metal, ceramic, and the glass) is used, but the content of bromine and chlorine does not exceed the threshold level, 900ppm, for each. And the total of bromine and chlorine does not exceed 1500ppm.
问题补充: |
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