取而代之的是，父设备的驱动程序会代表CPU执行简介访问。
Instead the parent device's driver would perform indirect access on behalf of the CPU.
简介该机为原料的粉碎碾练设备。
Product introduction It is the equipment for crushing and grinding the raw material.
简介该机为原料的粉碎碾练设备。
Product introduction It is the equipment for crushing and grinding the raw material.
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