长秒针: central second hand; sweep second hand; sweep-second双秒针: split-second hand长秒针齿轴: sweep second pinion秒针旧货: second hand秒针轮上钻: top third wheel jewel秒针轮下钻: bottom third wheel jewel起秒针钳: second hand remover双秒针的: split-second双秒针杆: split-second lever双秒针杆簧: split-second lever spring双秒针杆座: split-second lever support双秒针桃轮: split-second heart双秒针停表: split second watch; split-second watch双秒针凸轮: split-second cam双秒针压片: split-second wheel cover双秒针柱轮: split-second column wheel跳秒针叉瓦: jumping second pallet jewel跳秒针拉档: jumping second detent压针管秒针: pressed cannon second hand中心秒针: center second中置秒针: sweecenter seconds铆接空心秒针: riveted cannon second hand每秒针字符数: cps characters per second秒针拆卸工具: hand remover秒英尺: second-foot秒延期雷管: second delay detonator