(33)凝集污染(Tarring Strining)(34)滚筒污染(35)药品污染(Chemicals Staining)(36)染色停机痕(Dyeing Stop Mark)(37)色斑(38)花纹模糊(39)脱版(40)缺浆(41)印花断线(42)印花折痕(43)塞版(44)渡色(45)印花浆筒...
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如此，化学药品污染天然的自来水。
抽样时应当防止药品污染吸潮、风化、氧化而变质。
When sampling, the drug shall be prevented from going bad because of pollution, absorption of moisture and weathering.
美国食品药品管理局（FDA）正寻找一种能快速追溯受污染食品的措施来阻止疾病爆发或缩短爆发周期。
The Food and Drug Administration is taking steps to prevent or shorten these outbreaks by developing the tools needed to rapidly track down foods that may be contaminated.
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