本文介绍了一种侧部炭块在线修理技术，可在线修补侧部炭块破损，对于延长槽寿命以及降低大修费用有着重要的意义。
The department introduced a online repair technology can repair damaged side carbon block, which has the important significance to extending the pot life and reduce the overhaul cost.
介绍了煤矿采掘设备破损螺纹孔的多种修理方法。
The paper introduces various kinds of methods on repairing damaged thead holes of mining and developing equipment in coalmines.
介绍了煤矿采掘设备破损螺纹孔的多种修理方法。
The paper introduces various kinds of methods on repairing damaged thead holes of mining and developing equipment in coalmines.
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