This configuration of the engine was put into service in October 2008.
这种构型的发动机已于2008年10月投入服役.
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Once the machines are tested, they may be put into service.
机器一旦经过试验, 就可以投入使用.
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More buses are to be put into service.
更多公共汽车将投入使用.
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A new computer - aided Trunked Radio System has been put into service since September.
新的电脑化集束无线电系统于九月投入服务.
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