基本解釋[能源科學技術]彈簧鋼活門英漢例句雙語例句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。spring-steel shutter更多例句專業(yè)釋義能源科學技術彈簧鋼活門