unprotected opening
常見例句
- Opening of any laboratory door without use of the override will result in the shutter closing, thus preventing unprotected persons from exposure to the laser radiation.
實驗室的門打開任何未經(jīng)覆蓋的使用將導致快門關閉，從而防止接觸到的激光輻射未受到保護的。
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