Terms containing variable-pitch spring

Subject	English	Chinese
mech.	helical compression spring with variable pitch	变节距螺旋压缩弹簧
mech.	variable pitch coil spring	变节距螺旋弹簧
auto.	variable-pitch cylindrically helical spring	不等节距圆柱螺旋弹簧
auto.	variable-pitch spring	不等螺距弹簧