Spinal disk movement occurs when weight-bearing strain is placed on the spine, causing the disk to move out of place.
当脊椎开始承受体重时,椎间盘开始移动,离开原来的位置。
2
Applying AMB to the support of HDD (hard disk drive), which can avoid the contact of bearing and HDD rotor, it has a lot of advantages in comparison with other bearing types.
DX pile is a new cast-in-place pile which can improve the vertical ultimate bearing capacity of single pile by developing the capacity of bearing enlarging disk in the pile.