spring-steel shutter
基本解释
- [能源科学技术]弹簧钢活门
英汉例句
- In this shutter, the mechanism of switch on-off light beam is a pair of steel plates which are controled by two electromagnets that overcome the force of spring fixed on the shutter.
在这种快门中，开关光路的机构是一对由电磁铁控制的，以弹簧为动力的薄钢片。
双语例句
专业释义
- 弹簧钢活门