spring-steel shutter
基本解释
- [能源科學技術]彈簧鋼活門
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.
在這種快門中，開關光路的機搆是一對由電磁鉄控制的，以彈簧爲動力的薄鋼片。
雙語例句
专业释义
- 彈簧鋼活門