flapper girls名士派和摩登女;放浪形骸的摩登女
flapper ale片状阀;铰链阀
Street Flapper街头狂人
Electric flapper电器插板
flapper r活动挡板;挡板
flapper detail拍打物
flapper actuator挡板驱动器
Flapper Jane摩登女郎·简
Based on converting principle of nozzle-flapper structure, it uses a piezoelectric ceramic composite plate as actuator. Thanks to the breakthrough in principle, its structure is simple and it's easy to control.
压电式电气转换器是对大连理工大学薄膜式电气转换器的改进，它利用喷嘴—挡板机构的转换原理，采用压电陶瓷复合圆盘作为挡板的微动执行机构，突破了电—气转换装置机械结构的传统模式，结构简单，易于控制。
参考来源 - 电—气转换器转换单元的结构设计及其电源的设计N-COUNT（可数名词） A flapper was a young woman in the 1920s who dressed or behaved unconventionally. (20世纪20年代着装举止异常的)年轻女郎
She'd had to wear her short, auburn hair flat like a twenties flapper for the play.
为了该话剧，她需要像二十年代年轻女郎一样将短褐色头发弄直。