flapper

过去式：

动词过去式: 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：

fire flapper

灭火器

flapper bracket

机器脚踏车后座

The "flapper" is a rare amphibian species found only in the mountain ponds of Tibet.

是一种生活在西藏山区池塘中的罕见的两栖类动物物种。

nozzle flapper

喷嘴挡板

GDC-5 electro high vacuum flapper valve is mounted in vacuum pipeline to put through or cut off the airflow in vacuum system, or used as a charging vale.

简单介绍： GDC-5型电磁高真空挡板阀是连接在真空管路上，用来接通或截止真空系统中的气流，或作充气阀用。

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。

Keywords valvular cardan shaft;flapper teeth;tensile strength;finite-element analysis;

瓣形万向轴;瓣齿;拉伸强度;有限元分析;

It included the bottom ,which had inching and moving flapper of 5 pieces knifes side to side in the menu.

菜单中有5把刀的左右点动和活动挡板左右点动的按钮。

flapper

n.拍击物,(口)(20世纪20年代的)不拘传统的时髦少女