求翻译：针对“地沟油”的来源以及目前市场销售使用的现状，探讨了“地沟油”的危害及其“地沟油”的鉴别方法，从“地沟油”的化学组成及其理化性质分析，变废为宝，论述了“地沟油”的利用方法。是什么意思？

The source of "waste oil" and the current status of the use of market methods of identification of the hazards of "waste oil" and its "waste oil" from the chemical composition and physicochemical properties of the waste oil, waste to Bao, discusses the use of "waste oil".

For the "pit" for oil, as well as the source of the current market status, use the "Explore" for oil, and the harm and the "pit" for oil from the authentication method, the "pit" of the chemical composition and its chemical nature, change analysis, trash to treasure discusses the "pit" for oil use.

In view of “ditch oil” the origin as well as the present market sale use present situation, has discussed “the ditch oil” harm and “ditch oil” distinction method, from “ditch oil” the chemical composition and the physics and chemistry nature analysis, recycles waste, elaborated “the ditch oil” the u

"Waste oils" sources and the current market situation, discussed "waste oil" and its "waste oil" method, "waste oil" analysis of the chemical composition and physical and chemical properties, treasure, discusses the "waste oil" method.

正在翻译，请等待...