Harmful: danger of serious damage to health by prolonged exposure through inhalation.

有害的: 经吸入长期接触有严重损害健康的危险.

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R 48 : Danger of serious damage to health by prolonged exposure.

R48: 对严重损害健康的危险性的长期接触.

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Prolonged exposure to lead peroxide can cause abnormal pain, nausea, and vomiting.

长期接触铅可引起不正常的过氧化疼痛, 恶心和呕吐.

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Suggest why natural rubber readily deteriorates on prolonged exposure to air.

解释为什么当天然橡胶在空气中延展开来的时候会硬化?

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Danger of serious damage to health by prolonged exposure.

长期接触有严重损害健康的危险.

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Prolonged exposure can cause headache, tiredness.

持续暴露会导致头痛 、 疲劳.

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Breathing rate increases to 50 % above normal level. Prolonged exposure can cause headache, tiredness.

呼吸频率增加到正常水平以上50%. 持续暴露会导致头痛 、 疲劳.

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Harmful: danger of serious damage to health by prolonged exposure through inhalation and if swallowed.

有害的: 经吸入和吞食长期接触有严重损害健康的危险.

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Toxic: danger of serious damage to health by prolonged exposure in contact with skin.

有毒的: 经皮肤长期接触有严重损害健康的危险.

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Toxic: danger of serious damage to health by prolonged exposure through inhalation and if swallowed.

有毒的: 经吸入和吞食长期接触有严重损害健康的危险.

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Lightfast ink: Ink that will fade less than normal ink on prolonged exposure to strong light.

耐光油墨: 在强光照射下,颜色较普通油墨耐久,变淡的程度较低的油墨.

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