The two types of ingredients tend to have opposing effects on the yarn and a compromise has to be made to yield the lowest end breakage rate for the given yarn under the given conditions.

• 这两类物质对纱线的作用有相反的效果,因此在用量上要综合考虑,以期在特定的纱线和特定的加工条件下使断头率达到最低值。