flapper valve 铰链阀 ; 片状阀 ; 挡板阀 ; 搭钮阀
Nozzle flapper valve 喷嘴儿挡板阀
nozzle flapper 喷嘴挡板
Fix a toilet tank flapper 固定浴池 ; 固定浴室水箱挡板 ; 修马桶水箱
flapper-type 活瓣式
flapper bracket 机器脚踏车后座
flapper float shoe 舌型浮鞋
flapper ale 片状阀 ; 铰链阀
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·2,447,543篇论文数据，部分数据来源于NoteExpress
以上来源于: WordNet
N-COUNT 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。
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。
The Mock Turtle sighed deeply, and drew the back of one flapper across his eyes.
假海龟深深地叹了一口气，用一只手背抹着眼泪。
The simple print dress with a waist line and longer hem length replaced the flapper attire of the 1920's.
带腰带且下摆围较长的简单印花裙取代了20年代的时髦华服。
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