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1·Lead deposits, which accumulated in soil and snow during the 1960s and '70s, were primarily the result of leaded gasoline emissions originating in the United States.

在二十世纪六七十年代，铅沉积就在土壤和雪中不断累积，这主要是美国的含铅汽油排放的后果。

2·Levying a tax on leaded gasoline is an important policy to implement the use of unleaded gasoline.

征收含铅汽油税是实行汽油无铅化的一项重要政策。

3·Leaded gasoline exhaust pollution of traditional gasoline with the production process of tetraethyl lead as an anti-explosive agent.

含铅汽油的废气污染传统汽油生产工艺中以四乙基铅作为防爆剂。

4·Methyl tert-butyl ether (MTBE) is widely used as an addictive in unleaded gasoline to curb the air pollution caused by leaded gasoline.

甲基叔丁基醚(MTBE)作为一种新型的无铅汽油添加剂被广泛应用以减少含铅汽油对空气的污染。

5·New vehicles are equipped with electronic injection technology instead of carburators. Clean fuel will replace non-leaded gasoline gradually.

汽车告别了化油器，进入了电喷时期，车用汽油也必须由无铅化向清洁化迈进。

6·The European Environmental Agency has pushed for more studies, saying cell phones could be as big a public health risk as smoking, asbestos and leaded gasoline.

欧洲环境组织敦促了更多研究，表明手机可能如吸烟，石棉和含铅汽油一样是巨大的公共健康威胁。

7·Lead deposits, which accumulated in soil and snow during the 1960s and 70s, were primarily the result of leaded gasoline emissions originating in the United States.

二十世纪六、七十年代，土壤和积雪中沉积的铅主要是因为美国含铅汽油的排放所导致的。

8·The results show that the homemade unleaded gasoline can replace the leaded gasoline with good consistency and discrimination. It is in full accordance with the test method.

结果表明：用国产无铅燃料替代含铅燃料，试验结果具有很好的一致性和区分性，能够满足试验方法要求。

9·Lead has been banned more widely from gasoline — with only a handful of nations still using leaded fuel.

铅已经广泛地禁止添加到汽油中——只有极少数几个国家还在使用含铅汽油。