hairspring 是什么意思

	【机械工程】游丝；细弹簧。

a fine spiral spring that regulates the movement of the balance wheel in a timepiece

	1.	Hairsprings for watches and clocks ; code - numbers 钟表的游丝.代码
	2.	Hairsprings for mechanical instruments 机械仪表用游丝
	3.	Hairspring for aviation instruments 航空仪表用游丝
	4.	Balance cock for flat hairspring 扁平摆夹板游丝
	5.	Breguet hairspring collet 挑框游丝内桩
	6.	Breguet hairspring stud 挑框游丝外桩

hairspring是什么意思