用“olefin”造句大全，olefin造句
1、olefin-modifiedstyrene-acrylonitrile2、olefin-modifiedstyrene-acrylonitrileresin3、ThetechniqueadvanceofC4olefinaromatization,catalyticcrackinganddisproportionationforproducinglow-carbonolefinwerei...
用“aliphatic olefin”造句大全，aliphatic olefin造句
Petroluemdistillatesandcommercialaliphaticolefins-Determinationofbrominenumber-Electrometrictitrationpetroleumdistillatesandcommercialaliphaticolefins-determinationofbrominenumberelectrometricmethod...