spring hanger [铁路] 弹簧吊架 ; 弹簧挂钩 ; 弹簧吊杆

spring constant hanger 弹簧恒力吊架

spring hanger gib [铁路] 弹簧吊架扁栓

constant spring hanger 恒力弹簧支架 ; 恒力弹簧吊架

spring hanger bracket [铁路] 弹簧吊架托

bolster spring hanger 承梁弹簧吊杆

variable spring hanger 可变弹簧吊架

furnace tube spring hanger 炉管弹簧吊架