求翻译：挖掘机工作装置工作范围和挖掘机力，是工作装置性能最重要的衡量指标，在方案论证阶段，围绕工作装置工作范围和挖掘力，对工作装置进行评价和优化。是什么意思？

The scope of work and excavator force of the excavator working device is the most important measure of the working device performance program demonstration phase, focusing on the scope of work and digging force of the working device, to evaluate and optimize the work device.

Excavator work unit scope of work, and backhoe work, performance of the unit is the most important metrics in the program, the appraisal phase, the scope of work and excavation unit, unit of work for evaluation and optimization.

The excavator work installment operating region and the excavation is mechanical, is the work installment performance most important weight target, in the project concept demonstration stage, the encompassment work equipment operating region and the excavation strength, carries on the appraisal and

Scope and excavator excavator work force, is the most important measure of performance indicators, at the demonstration stage, around the scope of installation work and mining, evaluation and optimization of working device.

正在翻译，请等待...