counter-rotating fans 强力相互对转风扇
contra-rotating auxiliary fans 对旋式局部通风机
counter rotating axial flow fans 对旋式轴流风机
An experimental investigation was completed for studying the flow field between two contra-rotating fans.
采用实验方法对对旋风机对旋叶轮级间流场进行了研究。
With a rotating group of about 10 members, Jiang Hu Fansubs started in 2007 after a forum discussion between wuxia fans. Many of the translators are college students or young professionals.
2007年，一群志趣相投的武侠爱好者在论坛上进行了一番讨论后，江湖字幕组诞生了，轮流工作的成员一共有十人，许多译者都是大学生或是年轻的专业人士。
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