Abstract Due to the low degree of automation of the existing arc droop measurement device. the tension line digital twin system is not yet able to simulate the change of arc droop in the actual engineering situation in a high degree of real time. To this end. a kind of arc droop automatic measuring equipment applicable to the working condition of tension frame line tightening construc... https://www.ealisboa.com/great-deal-Pentair-Union-Collar-2-U11-200PS-super-offer/