H形铰链
H hinge
圆角H形铰链
脱卸铰链
removable hinge
安全铰链
security hinge
装饰铰链
decorative hinge
蝴蝶铰链
Butterfly hinge
宽铰链
wide hinge
小型铰链
small hinge
椭圆铰链
hinge
铰链