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╣暖心づ @qzone_a09a3ecb3008-25-2016
门式起重机的缓冲设备分为三种：实体缓冲器、弹簧缓冲器、液压缓冲器 一种是实体缓冲器。实体缓冲器又分为橡胶缓冲...more
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╣暖心づ @qzone_a09a3ecb3008-04-2016
门式起重机在各种因素的影响之后，时不时会发生整机爬坡的危险，不敢现象这将造成多么严重的后果。所以这将最为一个重点问...more
宗烁 @qzone_765C59645004-14-2015
新闻来源：www.hbr8.com-发布时间：15-04-14 10:34 - 浏览次数：132门式起重机是桥式起重机的一种变形，又叫龙门吊。主要用于室外...more
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