self-compensating hair-spring的意思|示意
美 / /
英 / /
self-compensating游丝
self-compensating hair-spring的网络常见释义
自动补偿游丝 ... hair-spring divider 游丝弹簧两脚规 self-compensating hair-spring 自动补偿游丝 hair spring divider 微调分规 ...