The eastern boundary of Sichuan-Yunnan stress zone (the eastern stress transitionbelt) is basically consistent with the eastern boundary of Sichuan-Yunnan rhombic block.
川滇应力区东边界（东边的应力转换带）基本上与川滇菱形块体的东边界相吻合；
3
At present, the transitionbelt of the pipe belt conveyor extends unevenly, and its edge bears excessive force, which greatly affects the employment lifespan of the belt.