机械里ground gear什么意思

ground gear 英[ɡraund ɡi?] 美[ɡra?nd ɡ?r]

[词典] 地面设备，降落设备;

[网络] 沈重底纲;

[例句]The Research on Thermal Condition of Electroplated CBN Conical Grinding WheelGround Gear Flanks

电镀CBN锥砂轮磨齿热状态的研究