码头龙门起重机的类型及其用途
Nov 09, 2023
(1) According to the main girder classification, general gantry cranes can be divided into single main girder gantry cranes and double main girder gantry cranes.
(2) According to cantilever classification, general-purpose gantry cranes can be divided into single-cantilever gantry cranes, double-cantilever gantry cranes and non-cantilever gantry cranes.