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阻车器是煤矿运输系统的重要设施之一。鉴于手动阻车器的诸多缺点,以及为了提高运输效率和运输安全性,对阻车器进行了气动化改造。改造后的气动阻车器取得了良好的应用效果,并已在全矿推广使用。“,”The tramcar arrester is one of the important facilities in colliery transportation systems. In view of many shortcomings of the manual tramcar arrester and in order to improve the transportation efficiency and safety, the manual tramcar arresters are reco