free from contamination meaning in English
没有污染
没有杂质
无污染
Examples
- The wire must be free from contamination , rust and mechanical damage
钢丝表面无污染,锈蚀和机械损伤 - Surveillance forms a vital part of our operations at the fehd , not just in the important task of preventing vector - borne diseases , but in helping to ensure the food we eat is safe and free from contamination
监察行动是本署工作的主要一环，不但对预防媒传疾病至为重要，亦有助确保食物安全和不受污染。 - Article 91 the vessel or aircraft coming from a yellow fever prevalent area but free from contamination may undergo sanitization as stipulated in item 3 of article 89 of these implementation rules if the health and quarantine organ considers it necessary
第九十一条对没有染疫的船舶、航空器，如果来自黄热病疫区，卫生检疫机关认为必要时，可以实施本细则第八十九条第(三)项规定的卫生处理。