求翻译：应避免任何长期暴露在50°C以上环境中或阳光直接照射的情况以保护产品成像质量；定期清洁热敏打印头，以获得良好成像质量。产品适用于现售现贴场合，不推荐使用于预贴环境。标签虽然有一定的抗潮湿的能力，但不推荐使用于水浸泡或较长时间存放在潮湿环境中。标签打印后不能放置于易沾染动物与植物油的地方，以免条码不可扫描。是什么意思？

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Should avoid any prolonged exposure to more than 50 °C environments or direct exposure to sunlight in order to protect the product image quality; regular cleaning thermal print head to get a good image quality. Products are suitable for joint sales are now posted occasions, is not recommended for us

Should avoid any exposing for a long time in 50°C above in the environment or the sunlight direct radiation situation protects the product image formation quality; Regular clean hot prints the head sensitively, obtains the good image formation quality.The product is suitable in the present cash sale

Should avoid any long term exposure at 50 ° c above ambient or direct rays of the Sun in order to protect the product image quality regularly clean the thermal print head, to get a good image quality. Product is used in sales are posted, do not recommend using pre-paste environment. Label despite th

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