English translation for "flat balance spring"

平游丝

Similar Words：

"flat back method" English translation, "flat back pattern" English translation, "flat back swing" English translation, "flat baffle" English translation, "flat balance" English translation, "flat ban total ban" English translation, "flat band" English translation, "flat band building machine" English translation, "flat band capacitance" English translation, "flat band driving conveyor" English translation