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1·China kicks off air defense drills.

中国宣布开始新一轮军事演习。

2·Turn off air conditioning, vents, fans and furnace.

关闭空调，排气扇，通风口和炉子。

3·Turn off air conditioning, vents, fans, and furnace.

关闭空调，排风扇，通风口和炉子。

4·This article analyses the construction and working principle of cutting-off air brake system.

本文分析了农用挂车断气制动系统的结构和工作原理。

5·Active parts of slotless motor winding directly cut off air - gap field, it could produced eddy-current loss.

无槽电机绕组的有效部分直接切割气隙磁场，在其中引起涡流损耗。

6·The first on-off air guitar competitions were organized in the early 1980s in Sweden and in the United States.

第一个空气吉他大赛于二十世纪八十年代初期在瑞典和美国举办。

7·Turn off air con: a car engine generates enough pollution without having to power an onboard air conditioning unit.

关上空调：一辆车就算不开随车空调，也已经产生足够的污染了。

8·The fashion commentary follows her even on less formal occasions, as when she strides across the South Lawn or steps off Air Force One.

甚至她在跨过白宫南草坪，或是从空军一号下来这样非正式的场合上，对其着装的评论也不曾停歇。

9·Contributing something to Earth could be just as easy as turn off air conditioner for an hour, or bend down ur knees and pick up a trash.

为地球做贡献、可以简单到关掉一个小时空调、或者弯腰捡起垃圾。

10·Canal Livre, which he started in the 1980s, was extremely popular among Manaus' 1.7 million residents before going off air last year as police investigated.

该节目于80年代开播，在玛瑙斯的170万民众中颇受欢迎。但由于受到警方调查，去年开始节目被停播。