常見(jiàn)例句

雙語(yǔ)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(mén)中，開(kāi)關(guān)光路的機(jī)搆是一對(duì)由電磁鉄控制的，以彈簧爲(wèi)動(dòng)力的薄鋼片。
返回 spring-steel shutter