contra-rotating

常见例句

four-stage contra rotating fan turbine
四級逆轉風扇透平
Control principle and familiar fault analysis of contra rotating steering oar
對轉舵槳操縱原理及常見故障分析
Analysis about the Construction Principle and Characteristics of Contra Rotating Propeller
對轉螺鏇槳的結搆原理及特點分析
contra rotating fan
反鏇式通風機
Per contra I don't ask her to forget but to remember.
相反，我不是要她忘記，而是要她記住。
The female is generally drab, the male per contra brilliant.
一般來說雌性是黃褐色的，而雄性是色彩鮮明的。