sound and light signals 中文意思是什麼
sound and light signals
解釋
聲響和燈光信號-
Ergonomics - system of danger and non - danger signals with sound and light
人類工效學險情和非險情聲光信號體系 -
14 the boiler control board should have necessary sound and light alarming signals, such as flame display, water line, pressure, temperature and other protection device etc
14鍋爐操作盤上應設有必要的聲、光報警信號,如火焰顯示、水位、壓力、溫度高低以及各種保護裝置動作等。
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