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长江挖掘机厂自行设计试制的WY252-CW型全液压挖掘机已于1987年12月通过省级鉴定,并获四川省1988年科技进步二等奖。该机可根据作业需要配装反铲、正铲、抓斗等多种工作装置;反铲装置可配0.6m~3至1.4m~3四种规格的铲斗,还可配1.9m至4.0m四种规格的斗杆。该机主要用于中小型矿山及水利、交通、城市建设等工程中挖掘Ⅰ～Ⅳ级土壤。
The WY252-CW full-hydraulic excavator designed and trial-produced by the Changjiang excavator factory passed the provincial appraisal in December 1987 and won the second prize of scientific and technological progress in Sichuan Province in 1988. The machine can be equipped with backhoes, front shovels, grabs and other working devices according to the needs of the operation; the backhoe device can be equipped with four buckets of 0.6m~3 to 1.4m~3, and can also be equipped with 1.9m to 4.0 m four specifications of the stick. The machine is mainly used for mining I-IV soils in small and medium-sized mines and water conservancy, transportation, and urban construction projects.