Complex sentence: This line was electrified after the establishment of the government in North Korea, and the name was changed to'Paektusan Ch'ŏngnyŏn Line' in September 1978.
Split into simpler sentences: This line was electrified after the establishment of the government in North Korea. It is known that the name was changed to'Paektusan Ch'ŏngnyŏn Line' in the September 1978.