hammer actuating spring击铁起动弹簧
hammer lever spring锤杆簧
second hammer spring foot秒锤杆簧位钉
whip-hammer spring止动心杆簧
hour hammer operating lever spring时锤操纵杆簧
hour counter jumper hammer spring时锤杆簧
spring hammer[机] 弹簧锤;翻译
laminated spring hammer板簧锤;夹板锤
spring hammer beetle[纺] 弹簧捶布机