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出自维基百科,自由个百科全书

通常拉狭义上是指脂肪酸、一价或二价个脂醇搭熔点较高个油状物质;广义上通常是指具有某些类似性状个油脂等物质。拉弗同个场合下对于‘蜡’个定义也有所区别。但拉广义上,蜡通常是指植物、动物或者矿物等所产生个某种常温下为固体、加热后容易液化或者气化、容易燃烧、弗溶于水、具有一定个润滑作用个物质。

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