[灯塔]塔基至灯光高度
height of light above base
插入式铁塔基础
inserted type tower foundation
电塔基础
electric tower foundation
杆塔基础
pole and tower foundations
Pole and Tower Foundation
foundation of pole and tower
transmission tower foundation
tower foundation
pole foundation
pole-tower foundation
tower base
杆塔基础加固
poles foundation reinforcement
高低腿铁塔基础
tower foundation with legs at different height