1)spring return limit switch,有弹簧复位的限制开关2)spring-return switch,弹簧复位开关3)spring return switch,弹簧回位开关4)brake shoe hold down spring,制动蹄限位弹簧5)spring-steel shutter,弹簧钢制开关<火>6)limit spring,限位弹簧
用法和例句
For this reason a limit spring hanger, which has both vibration-isolation effect of the spring and maintained the property of original rigid hanger, had been designed.