Due to its size, the beams of the gantry crane are been send by separate parts.
This gantry crane is used for tunneling work of Bertha, the world biggest tunneling machine tunnel under the city of Seattle.
桥式起重机 桥式起重机与其他电器部分的安全维保 ← « 35 36 37 38 39 40 (current) » →
桥式起重机与其他电器部分的安全维保