3）桁架安装完毕后，经相关部门和人员共同签认后，才可投入使用。未经验收

3) After the truss installation, after the relevant departments and personnel to sign and acknowledge before they can be put into use. Without the acceptance of the truss must not be put into use, the truss will be allowed after the acceptance Chaigai, when Chaigai to be done locally, need the consent of the person in charge of technology, operated by the operator.

3) After the truss installation, after the relevant departments and personnel jointly signed off, can be put into use. Truss without acceptance shall not be put into use, after acceptance of the truss may not be unauthorized demolition and modification, need to do partial demolition and modification, need to be approved by the technical person in charge, by the operator operation.

3) After the truss is installed, it can be put into use after being signed by relevant departments and personnel. The truss without acceptance shall not be put into use, and the truss after acceptance shall not be dismantled or modified without permission. If partial dismantling or modification is required, it shall be approved by the technical director and operated by the operator.