Overhead crane, gantry crane, jib crane and hoist of ...
2021-12-31u2002·u2002The most common form ofdouble girder gantry crane structure, its structural force and the effective use of the site area are reasonable.Double girder gantry cranes have strong bearing capacity, large span, overall stability, and many varieties, but their own quality is larger and their cost is higher compared with single-girder gantry crane s ...
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