Therefore, I set the timer to do the count down of time, say 15 or 20 minutes.
因此，我设置计时器做倒数计时的时间，例如15或20分钟。
The Olympic logistics, as a kind of typical green logistics, has already become the extremely concerned focus gradually at the time of entering count-down in Beijing 2008 Olympic Games.
奥运物流作为一种典型的绿色物流，在2008年北京奥运会进入倒计时之际，已逐渐成为倍受关注的热点。
Compared to this time last year, the overall us rig count is down by 202 RIGS, with oil RIGS down by 122, gas RIGS down by 82, and miscellaneous RIGS up by two.
与去年同期相比，全美钻机数量减少了202台，其中石油钻台减少了122台，天然气钻台减少了82台，混合型钻台增加了2台。
The host sets the provided time for the answering race through the time-setting switch, after this the system will count down the time automatically.
主持人通过时间预设开关预设供抢答的时间，系统将完成自动倒计时。
The host sets the provided time for the answering race through the time-setting switch, after this the system will count down the time automatically.
主持人通过时间预设开关预设供抢答的时间，系统将完成自动倒计时。
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