flapping hinge meaning in English
挥舞铰链
扑动铰链（航空用）
Examples
- Hardware ; flap hinge rolled
五金件.轧制明板折页 - Hardware ; flap hinge forged
五金件.锻制明板折页 - Hardware for furniture - terms and definitions - part 2 : furniture hinges and flap hinges
家具五金件.术语和定义.第2部分:家具铰链和襟翼铰链