液力挖掘机
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hydraulic descaling system excavator digger 液力挖掘机
Aiming at the incompleteness and uncertainty of the information to be appraised in appraising the quality of hydraulic excavator digger, we establish the unascertained decision model to deal with it.
针对工程机械质量评价过程中，评价信息的不完全性和不确定性，建立了处理未确知信息的未确知决策模型。
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