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面对着越来越严重的世界能源危机,现代液压挖掘机普遍重视提高发动机功率利用率,降低能源消耗的研制。日本小松制作所制造的PC400—3全液压挖掘机,在这方面取得了一定效果。
In the face of the increasingly serious world energy crisis, modern hydraulic excavators generally pay attention to improving engine power utilization and reducing energy consumption. The PC400-3 full-hydraulic excavator manufactured by Komatsu Manufacturing Co., Ltd. in Japan has achieved certain results in this regard.