求翻译：使用2台吊车抬吊大型构件时，要保持吊车性能、同步应一致，单机荷载应合理分配，且不得超过额定荷载的80%。作业时必须统一指挥，动作协调一致。是什么意思？

Use 2 large crane lifting crane components, to maintain the crane performance, synchronization should be consistent, stand-alone distribution of the load should be reasonable and shall not exceed 80% of the rated load. Operations must be unity of command, coordinated action.

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Uses when 2 cranes lift hang the large-scale component, must maintain the crane performance, the synchronization should be consistent, the single plane load should the rational distribution, also does not have to surpass the fixed load 80%.When work must the unified command, the movement coordinatio

When uses 2 crane hoisting large structures to keep crane performance, synchronization should, stand-alone load reasonable allocation and shall exceed the rated load 80%. Jobs must be unity of command, an action coordinated.

When using 2 cranes lift large structures, and to keep cable car performance, synchronization should be consistent, single load should be reasonable distribution and must not exceed the rated load of 80%. Jobs must be unity of command, an action coordinated.