Developing the thought...
Electrical engineering refers not only to electrical machinery, but also to problems of generation, transmission and distribution of electrical energy. Its' main task is to provide a customer with electric power. As for electronics, I suppose, it is an "independent " science dealing, as has been pointed above, with valves, transistors etc, but it works not only for needs of electrical engineering. So, I think, we can't say that electronics is a field of electrical engineering...