您要查找的是不是：
- Some causes of slag blockage in the gasifier are reviewed and measures for preventing the blockage are put forward. 介绍水煤浆加压气化炉灰渣的几种形态,分析造成气化炉渣堵的几个原因。
- 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？
- I was powerless to prevent the accident. 我无力阻止事故的发生。
- Props were used to prevent the roof collapsing. 用了一些支柱以防止屋顶塌落。
- The government tried to prevent the diminution of resources. 政府试图阻止资源的减少。
- The captain had to hold the wheel firmly to prevent the ship from broaching to. 船长牢牢掌住航轮，以防船的侧面迎着风浪。
- She stuck a pin in, to prevent the paper from slipping. 她插上一根大头针，防止纸滑动。
- The policy is designed to prevent the predominance of one group over another. 该政策旨在防止一些人压制另一些人。
- The economic sanctions could not prevent the development of that country. 经济制裁不能阻碍那个国家的发展。
- Sorting and management of the parts in the blockage store. 对隔离库零件进行整理分类。
- It can prevent the water from sopping in. 这可以防止水的渗透。
- If the blockage worked, they could retreat with dignity. 如果封锁发生作用，他们可以体面地撤退。
- The police put up barrier to prevent the football hooligan from damaging property. 警察搭起障碍物防止观看足球的流氓破坏财产。
- The blockage or rupture of the artery can cause stroke. 血管阻塞或破裂都可引致中风。
- A substance that prevents the clotting of blood. 抗凝血剂防止血液凝结的物质
- They painted a coat of paint to prevent the oxidation of the ship by seawater. 他们刷了一层油漆以防止船只被海水氧化。
- He tried to prevent the marriage but it still took place notwithstanding. 虽然他竭力阻止这桩婚姻，但还是成了事实。
- They tried hard to prevent the war. 他们竭力防止战争。
- The blockage may need to be removed or bypassed with vascular surgery. 足部循环不好是足部动脉供血不畅引起的。
- A defect in the fuel lines prevented the missile from blasting off. 燃料管路上的一个缺陷妨碍了导弹的发射。
