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cai mei ji ye ya xi tong you ye wu ran zhuang kuang de ce ding yu fen xi
Author(s): 
Pages: 13-17+64
Year: Issue:  10
Journal: Coal Science and Technology

Keyword:  采煤机械化采煤机液压系统污染物污染状况油液污染度抗磨液压油污染等级液压油污染液压设备液压技术;
Abstract: <正> 煤炭工业由于采用液压技术使综合采煤机械化取得了突破性的进展。液压支架和采煤机液压牵引装置的应用使采煤设备的性能和可靠性大大提高。我国通过引进、研制和推广应用综采机械化设备,使煤矿生产状况得到很大改善。
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