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动轴承，提高了产品的使用寿命和精度。6.凡旋转轴孔之间，均装有具有自润滑性能材料的衬套。7.拉杆与道岔之间的连接，采用了微调器，安装后在使用过程中，使其不用拆除连接销，即可对道岔开
http://blog.alighting.cn/dongyagk200910/archive/2010/9/26/99699.html2010/9/26 10:59:00
0 5#刮板钢、m540 6.5#刮板钢，槽板钢、矿用槽板钢、m18槽板钢、m15槽板钢、重轨(38kg,43kg,50kg,60kg）、轻轨(8,12,15,18,22,24,3
http://blog.alighting.cn/zhongmei0901/archive/2010/9/27/100044.html2010/9/27 10:49:00
http://blog.alighting.cn/zhongmei0901/archive/2010/9/27/100045.html2010/9/27 10:49:00
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http://blog.alighting.cn/zhongmei0901/archive/2010/9/27/100047.html2010/9/27 10:50:00
http://blog.alighting.cn/zhongmei0901/archive/2010/9/27/100048.html2010/9/27 10:50:00
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http://blog.alighting.cn/zhongmei0901/archive/2010/9/27/100051.html2010/9/27 10:52:00
http://blog.alighting.cn/zhongmei0901/archive/2010/9/27/100052.html2010/9/27 10:52:00
