垂直U形埋管
U-shape vertical loop of pipe
垂直安全高度
vertical height of safe mining
垂直形变
vertical deformation
Crustal vertical movement
Vertial deformation
verlical deformation
vertical deformationm
Vetrical deformation
The vertical deformation
垂直形变场
vertical deformation field
垂直形变速度
vertical deformation velocity
单头方形直口扳手
single-end square straight wrench
地壳垂直形变
vertical crustal displacements
地面垂直形变
ground vertical deformation