For the roof assembling technique under ground was complex and the integral lifting was high difficult, much challenge was placed on the quality and safety supervision.
屋盖在地面组装工艺复杂，整体提升难度大，质量安全监督方面面临挑战。
2
And the platform mainly consists of two swing mobile robots and one ground mobile robot with the accessory assembling and machining in industry as the simulation object.
The main features of this technology is that the hanging welding jobs was changed to be done on ground to ensure the construction security and assembling quality.