bell crank是什么意思

网络释义

1)bell crank,钟形曲柄2)bell crank engine,钟形曲柄发动机3)wheel crank,盘形曲柄4)The bell-shaped curving,钟形曲线5)Pyxidium curvicaule,曲柄匣形虫6)disc crank,圆盘形曲柄