您要查找的是不是：
- The results showed that the application of scale preventive agents could not only shorten the accessory time of pol... 结果表明,防粘釜剂的使用,不仅缩短了聚合辅助时间,而且对产品质量没有任何影响。
- It was proven to be of good performances of catabatic corrosion and scale prevention in practice. 为焦化厂换热设备安全、稳定、高效运行提供了保证。
- At the same time, the experimental study about condenser scale prevention was carried on fruitfully in virtue of this test-bed. 同时借助试验台,作者对凝汽器防垢问题进行了较有成效的试验研究。
- buffer erosion scale preventive agent of organic phosphorus 有机磷缓蚀阻垢剂
- According to the experiments result, physical scale prevention techniques such as alloy electrochemistry, transduce electromagnetism and quantum circulation are applied to the field. 同时根据结果在现场试验应用了合金电化学、变频电磁以及量子通环等的物理防垢技术。
- What can we do to prevent the disease spreading? 我们能做什么来防止这种疾病蔓延呢？
- Please take some preventive medicine now. 请吃些预防药吧。
- The next year the work went ahead on a large scale. 第二年这项工作就大规模进行了。
- The project as being undertaken on a small scale. 这个工程在小规模地进行着。
- We had to take preventive measures. 我们不得不采取预防措施。
- This district grew cotton on a large scale. 这个地区过去大量种棉花。
- The authorities took measures to prevent tax fraud. 当局已采取措施防止偷税漏税。
- Scale the fish before cooking them. 烧鱼之前先去掉鱼鳞。
- Does prison do anything to prevent crime? 采取关押方法对制止犯罪有作用吗？
- Dust the repair to prevent adhesion to outer cover. 清整修补处以防与外胎粘连。
- Stir the sauce to prevent it lumping. 把沙司搅拌一下以免结块。
- The statue was made to scale, one inch to a foot. 这座塑像是按比例做的，大小是真人的十二份之一。
- We should take steps to prevent war. 我们应当采取措施制止战争。
- Preventive measures are essential. 预防手段是必要的。
- Automatic Scale Preventing System in Oil Production 采油生产中的自动防垢系统
