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单词 θ90557
释义
the world > action or operation > harm or detriment > danger > warning of imminent danger or evil > [noun] > warning arousing the unwary > device for sounding alarm > of gas (2)
gasoscope1841

A device for indicating the presence of explosive gas; a gas alarm.

gas alarm1867

An alarm for giving (typically audible) warning of the presence of explosive or poisonous gas. Also: the sounding of such an alarm. Cf. gas detector

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更新时间:2024/12/25 21:07:33