合页 折叶 铰链英释
The top swung open on well-oiled hinges..盖子在上好油的折叶上一下子弹开了。
plastic hinge,塑性铰
hinge on,以…为转移，靠…转动
door hinge,门铰链
hinge joint,铰链接合
concealed hinge,暗式链条
spring hinge,弹簧铰链
hinge pin,铰链销；折页轴；销轴
hinge line,枢纽线，铰合线；蝶铰线
