Powered back-up roll is an auxiliary device on veneer lathe.

动力压辊是单板旋切机上一个辅助装置。

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The auxiliary device checks the 'clock' line. If the line is inactive, output from the device is not allowed.

辅助设备(指键盘)检查时钟线，如果时低电平，禁止发送数据。

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The auxiliary device checks the 'data' line. If the line is inactive, the controller receives data from the system.

设备检查数据线，如果是低电平，那么控制器从系统接收数据。

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The confusion occurred despite the introduction that year of an auxiliary smoke-emitting device aimed at improving the visibility of the smoke.

CNN: March 13, 2013 -- Updated 0018 GMT (0818 HKT)

"Many cars on the road today do not feature an auxiliary input or Bluetooth connection for a mobile device, " said Robert Acker, VP and GM of Aha by Harman.

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Connecting to any audio device is easy using the 3.5mm auxiliary cable (included).

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