flapper

过去分词：

动词过去分词: flapped

更多词形：

动词过去式: flapped | 动词过去分词: flapped | 动词现在分词: flapping | 动词第三人称单数: flaps |

单词例句：

single-jet flapper valve

单喷嘴挡板阀

Flapper is a young woman, especially one in the1920' s who showed disdain for conventional dress and behavior.

尤指19世纪20年代对传统的衣着和行为表示不屑的少妇。

flapper bracket

机器脚踏车后座

Electro High Vacuum Flapper Valve GDC-JQelectro high vacuum butterfly valve uses electromagnetic force to directly drive valve disc working. thus to make valve opened ro closed.

GDC-J型电磁高真空挡板阀是以电磁力为动力直接带动阀板动作，使阀门开启或关闭。

Is revolving flapper's picture through many plugs, contains explains the self-respect self-respect this subject.

通过多个插头围绕着插板的画面，含蓄来说明自尊自爱的这一主题。

Piezoelectric type nozzle flapper valve and its control method

压电型喷嘴挡板阀及其控制方法研究

bulkhead flapper

舱壁舌阀

Flapper:(n.) A superficial injury resulting in a loose flap of skin.

因为脱落造成的皮肤擦伤(皮外伤)

nozzle flapper hydroelectric servo valve

喷嘴挡板式电液伺服阀