词汇	recall switch
释义	recall switch 再呼开关
随便看	mining excavation for shallow overburdens mining excavation for shallow tunnels mining-excavation relay mining excavator Mining Exercise Mining Existing Assets mining expense Mining expert system mining exploitation mining explosive mining explosives mining-explosives mining face mining face arrangement mining face support mining face under mine mining failure mining feature library mining-hoist winding device mining hose mining hydraulic mining hydrogeological condition mining hydrogeological exploration mining impact mining in bulk