单词	difficult degradation
释义	difficult degradation 难降解
随便看	oil-soluble additive oil-soluble annatto oil-soluble antioxidants oil-soluble catalyst oil soluble coak tar dyes oil-soluble coak-tar dyes oil soluble colour oil-soluble completion fluid oil soluble demulsifier oil-soluble detergents oil-soluble dispersed catalyst oil soluble diverting agent oil soluble dye oil soluble dyes oil-soluble dyes oil soluble dyestuff oil-soluble dyestuff oil-soluble dyestuffs oil soluble emulsifying agent oil soluble emulsion breaker oil soluble group oil-soluble group oil soluble impurities oil-soluble impurities oil-soluble inhibitor