bearing force capability
computing of the pulling force resistance
pulling force
拖曳力
拔钻力
拔取力
拔秧力
牵引力
拔管力
拉力
牵力
后拉力
pulling force and power
pulling force of fruit stalk
bearing force calculation
Bearing Force Characteristic
bearing force of reinforcing steel bar
bearing force vertically
evaluation of bearing force
front section bearing force calculation
longitudinal bearing force reinforcement
redistribution of bearing force