| 1. | Using it can keep engine clean , reduce corrosion of harmful materials , prolong maintenance cycle and service life
经常使用可保持发动机外部清洁，减少有害物质对发动机的腐蚀，延长维修周期和使用寿命。 |
| 2. | In the meantime , alcohol still has cilium of mucous membrane of abate respiratory tract to exclude harmful material the function outside body
同时，酒精还有减弱呼吸道粘膜纤毛将有害物质排除体外的功能。 |
| 3. | The objective is to allow adults wide access to films while protecting persons under the age of 18 from exposure to potentially harmful material
电影分级的目的，是让成年人在观看电影方面有更多选择，并同时保护18岁以下的年青人，以免他们接触到不良的电影内容。 |
| 4. | Excretion the process by which excess , waste , or harmful materials , resulting from the chemical reactions that occur within the cells of living organisms , are eliminated from the body
分泌：生活的生物有机体细胞中由化学反应而产生的过多的、废弃的或有害的物质从体内排出的过程。 |
| 5. | Authorities say brian doyle of silver spring , maryland was arrested at his home tuesday on 23 charges related to the use of a computer to seduce a child and transmit harmful material to a minor
多伊尔星期二在他家中被逮捕，面临利用电脑诱惑一名未成年人，并向一名未成年人传播有害材料等23项刑事指控。 |
| 6. | After careful consideration the government is convinced that incineration , adopting the most stringent emission controls and segregation of potentially harmful materials , is the best way forward , he said
他说，政府经审慎考虑后，认为采用最严格排放控制和把有害物质分隔的焚化方式，是最佳的处理医疗废物方法。 |
| 7. | 1 . adopt the nontoxic and harmless or low - toxic and low - harmful materials in replace of the materials with high toxin and significant harm and make comprehensive use of the discarded materials in the production process
采用无毒无害或者低毒低害的原料替代毒性大危害严重的原料，对生产过程中产生的废料等进行综合利用。 |
| 8. | Car exhaust pollution in chinese cities has two key features : one is a large amount of exhaust pollutants discharged by a single motor vehicle ; the other is the exhaust containing a large amount of harmful materials , particularly lead and lead compound pollutants
中国城市汽车尾气污染的特点有：一是单车尾气污染物排放量大；二是汽车尾气排放大量有害物质，特别使铅和铅化合物污染物。 |
| 9. | Although this method can be applied to various materials regardless of thin surface properties and exhibits a good adhesion , it has some disadvantages that harmful material of the gaseous organic solvents may be discharged during drying step , and the cost is high
尽管这种这种方法可应用于各种材料，而不管薄层表面的性质如何，并表现出好的粘附性能，但是它还是有一些缺点，在进行涂层干燥时，气体溶剂等有害物质可能排放出来，而且成本也高。 |
| 10. | The coproduction technology for the process integration ofgasification , hydrogenation and power generation is used to refine heavyoil , thereby not only reducing considerably the investment and operationcost improving the reliability and efficiency of operation of the entireplant , decreasing the discharge of harmful materials , but also enhancingthe flexibility of the refining unit and the oil field
采用气化、加氢、发电工艺一体化联产技术对重油提炼利用，不但节省了大量的投资和操作费用、提高了整个工厂的运行可靠性和效率、降低有害物质的排放，而且提高了炼油装置和油田的灵活性。 |
