Pharmaceutical grade fish oil capsules are also available that are virtually contamination free.
确实做到无污染的药品级鱼油胶囊也可行.
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由于具有良好的力学性能以及无放射性污染的特点,钨基高密度合金(WHAs)有望取代贫铀合金作为穿甲弹的弹芯材料。
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其永磁驱动技术使泵能100%无泄漏运行,消除了泵送液体污染的风险。
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磷酸铁锂因价格低廉、循环稳定、安全无污染等特点而成为动力型锂离子电池最具有发展潜力的正极材料。
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Contamination and Control Measures during Rapid Multiplication of Potato Virus-free Seedlings
马铃薯脱毒苗在快繁生产中的污染问题及预防措施
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Also, be sure all insulators are kept clean and free of contamination.
而且, 还要确保所有的绝缘体清洁、不受污染.
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Then, most important of all, the water must be made free from contamination from sewage.
而最重要的是必须使水免于污水的污染.
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You may HAs anotIT certificate clarifying the goods to be free from radioactive contamination.
你们还要出具另一份证明书,以证明货物么有受放射线污染.
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Free of Dirt , Contamination, Radiation and Explosives or other Impurities.
无污染 、 无放射、无爆炸物或其它杂质.
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