With each successive tensioning step the rim should need less truing .
每个连续张拉一步需求较少的边沿该卖修整。
It has a lifting , pulling , tensioning function .
它具有起重、牵引、张紧功能。
Steel frame tensile cable tensioning technology is adopted for the rain shelter of the semi-final competition field in nanjing olympic tennis center .
南京奥体网球中心半决赛场雨篷采用钢框架拉索下压张拉技术。
Uses the proportional control technology and the reliability high programmable control technology , may carry on the multi-spot control to the tensioning force , momentarily adjusts the tensioning force according to the different working condition the size .