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TOWER CRANE WITH AUTOMATIC FOLDING AND UNFOLDING, AND COMPRISING A MAST AND A BOOM OFFSET RELATIVE TO THE MAST
TOWER CRANE WITH AUTOMATIC FOLDING AND UNFOLDING, AND COMPRISING A MAST AND A BOOM OFFSET RELATIVE TO THE MAST
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机译：具有自动折叠和展开功能的塔式起重机，包括与桅杆有关的桅杆和底架偏移量
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摘要
The jib direction (X4) is shifted with respect to the mast direction (Z2) parallel to the hinge axis (Y24). A distance between the hinge axis (Y24) and the lower limit (4.12) is greater than 75% of the height (H4.1) of the first jib section (4.1).
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