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

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

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

英语翻译Lead deposits,which accumulated in soil and snow during the 1960's and 70's,were primarily the result of leaded gasoline emissions originating in the United States.
那些在1960年到1970年间在土壤和雪里累积起来的被铅覆盖的沉淀物,最初关于含铅汽油放射的结果是由美国发布的.