... 推拉运行 push-pull operation 推煤机 coal pusher 推煤筒 pusher case ...
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... 粉煤机 coal pulverizer 推煤器 coal pusher 取煤样 coal sampling ...
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A new-type hydraulic pusher is designed in order to improve the automation of tram operation in coal mine, which rises the reliability and efficiency of the original cage pusher.
为了提高副井提升井口、井底车场操车自动化程度，设计了一种新型液压推车机，提高了推车机的安全性和工作效率。
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