spring-steel shutter

基本解釋

• [能源科學(xué)技術(shù)]彈簧鋼活門

英漢例句

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.
  在這種快門中，開關(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。

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專業(yè)釋義

能源科學(xué)技術(shù)

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