contra-rotating

常见例句

four-stage contra rotating fan turbine
四级逆转风扇透平
Control principle and familiar fault analysis of contra rotating steering oar
对转舵桨操纵原理及常见故障分析
Analysis about the Construction Principle and Characteristics of Contra Rotating Propeller
对转螺旋桨的结构原理及特点分析
contra rotating fan
反旋式通风机
Per contra I don't ask her to forget but to remember.
相反，我不是要她忘记，而是要她记住。
The female is generally drab, the male per contra brilliant.
一般来说雌性是黄褐色的，而雄性是色彩鲜明的。