您要查找的是不是：
- Results of the project will provide scientific proof for pollution control of trace hazardous elements in the UCG field sites. 项目研究成果为煤地下气化工程中有害微量元素的污染控制提供了科学依据。
- trace hazardous element 微量有害元素
- When the gas is cooled, any hazardous elements in the waste end up sealed in a glassy slag that is safe to put into landfill. 当气体冷却，任何有毒的物质会被封在玻璃状的熔渣中，被安全的填埋。
- Keywords toy;pencil;hazard element;simulant condition; 玩具;铅笔;有害元素;模拟溶出条件;
- Keywords coal gangue;hazardous element;statis simulation;electrical company; 煤矸石;有害元素;静态模拟;热电厂;
- As to the author of the book, I will hazard a guess. 关於这本书的作者，我来试猜一下。
- Trace element mixes serve as insurances. 微量元素只是作为一种保障措施。
- I can't trace that letter you sent me. 我找不到你寄给我的那封信。
- He spoke without a trace of emotion. 他说话时毫不动感情。
- The car had its hazard warning lights on. 这辆汽车亮起了危险信号灯。
- In a printer, the removable type element. 印刷机上可拆卸的打印部件。
- Smoking is hazardous to your health. 抽烟有碍你的健康。
- Did the police find any trace of the murderer? 警方找到凶手的行踪了吗？
- They failed to find any trace of the runaways. 他们未能找到逃跑者的任何踪迹。
- There was barely a trace of salt in the soup. 汤里简直一点盐也没有放。
- Wet roads are a hazard to drivers. 道路湿滑会对司机构成危险。
- The post office tried to trace the lost letter. 邮局设法查出那封丢失的信。
- He's in his element when playing badminton. 他打起羽毛球来真是得心应手。
- The kids are learning to trace the letter. 孩子们学描字母。
- This heater needs a new element. 这个加热器需要一组新电阻丝。
