compound planetary motion
...钻头型号全价格低 关键词：复合行星运动；整体结构；气举反循环排渣；气动驱动 [gap=1080]Keywords: Compound planetary motion; Overall construction; reverse circulation lifting the ash by air; air-operated..
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compound planetary motion
复合行星运动
以上为机器翻译结果，长、整句建议使用 人工翻译 。