bit wear

短语词组

短语

• bit uniform wear 钻头正常磨损
• bit bearing wear equation 轴承磨速模式
• bit gage wear 钻头直径磨损
• bit gauge wear 钻头直径磨小
• bit excessive wear 钻头过度磨损
• bit t wear 钻头磨损
• drilling -bit wear 刀具磨损
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