用摇臂钻床完成10M3电铲旋转机构大齿圈联接孔加工的工艺研究
용요비찬상완성10M3전산선전궤구대치권련접공가공적공예연구
Complete the 10M3 Elect Shovel of Rotating Mechanism Large Bear Ring of Connecting Hole Processing Technology with Radial Drilling Machine Was Researched
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