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随着我国石油工业的发展,由铁路及船舶运输原油日益繁忙,同时也带来各种急待解决的劳动卫生问题。显然须首先查明原油中烃类物质对人体健
With the development of China’s oil industry, the transportation of crude oil by railways and ships is getting increasingly busy. At the same time, it also poses a variety of labor and health problems that are urgently needed to be solved. Obviously, we must first identify the crude oil hydrocarbons on human health