您要查找的是不是：
- tritium surface contamination survey 氚表面污染
- Contamination surveys 污染调查
- Development of portable tritium surface contamination survey meter 便携式氚表面污染测量仪的研制
- This book surveys the events leading to the Civil War. 这本书概述了导致南北战争的各个事件。
- Only cursory surveys have been made. 勘测工作极为草率。
- Contamination can't be ruled out entirely. 污染是不能完全清除的。
- The brass surface must be free of contamination. 黄铜表面必须未经沾污。
- Such contamination has been extensively studied. 人们对这种污染进行了大量研究。
- Comprehensive geochemical surveys are analysed. 广义的地球化学普查需要分析。
- Moral contamination or corruption. 腐蚀精神上被腐化或堕落
- Encourage dialogue with surveys and discussions. 通过调查和讨论鼓励对话。
- The contamination should be removed. 应该清除掉污染。
- Ben Schiller surveys China's African rise. 本·席勒研究中国在非洲的影响力。
- An abnormal fear of dirt or contamination. 不洁恐怖对污物或污染的异常恐惧
- That will require follow-up surveys. 要想对此评估，则需要后续调查。
- No product contamination absolute tightness. 没有产品污染的绝对气密性。
- Surveys offered at reasonable rates. 提供测定服务收费廉宜.
- Previous surveys have painted a less rosy picture. 先前的一些调查所显示的远景不太乐观。
- The other part is just contamination. 其他部分只是污染之物而已。
- Surveys suggest they will get even scarcer. 调查显示，他们所能获得的贷款将更为稀缺。
