Above-mentioned phenomena need to be explained by a new extrusion theory, which deals with the melting process in a smaller dimension of material size.
上述现象需要一项新理论予以解释，这一理论能够说明较小尺度物料的熔融过程。
2
In the formula of the method, all components are dispersed to be mixed and are subject to meltingby a double screw extruder, mixing, extrusion, cooling, drying, granulating and packaging.