audible and visible alarm 中文意思是什麼
audible and visible alarm
解釋
聲光警報-
A tailor - made visible and audible fire alarm system and an emergency call bell was installed in each disabled toilet
每個傷殘人士廁所內均安裝了一個可看見和聽見的火警警報系統和緊急警鐘。 -
Visible and audible alarm
可視聽警報 -
Audible and visible alarm
聲光警報
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