炅则气泄2) Du Jiong 杜炅 1. In the publications available,there are approximately five versions:Du Zigong;Du Jiong styled Zigong;Du Bing styled Shugong;Du Jiong styled Zigong and Du Bing styled Shugong do not refer to the same person;Du Jiong styled Zigong and Du Bing styled Shu...