内径和外径都可调整的弹簧锁垫圈.Spring lock washer with adjustable inside and outside diameters.门上用的是弹簧锁 吗 ?Is a door lock a snaplock?他的自行车用的是弹簧锁.His bike has a spring lock....

“弹簧锁”的英语可以翻译为：snap lock，spring lock，deadlatch，springlock ...