based upon neural networks, a nonlinear mathematical model of the protraction for the die - bolt is developed.
基于神经网络建立热膨胀螺栓形变的非线性数学模型.
bolted route - a route protected with pre - placed anchors rather than removable protection pieces. a sport route.
预先设置膨胀螺栓和挂片作为保护点而非可取出的保护装置的攀登路线. 竞技路线.
邯郸市大润紧固件制造有限公司
13932040953
中国 邯郸