牙轮钻头密封试验技术研究及密封圈性能评价
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Research on sealing test technology of cone bit and evaluation of seal ring performance
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图1. 牙轮钻头密封试验机结构1—动力模块;2—传动模块;3—试验模块;4—热源调温装置;5—氮气瓶;6—泥浆罐。 |
Fig.1. Structure of sealing test machine for cone bit |
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