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domestic gas alarm
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domestic gas alarm
Encyclopedia
工学
﹝燃气安全装置﹞
释
domestic gas alarm
家用燃气报警器
燃气泄漏导致燃气浓度超过预先设定值时,其浓度能够被探测并触发对外发出声光报警信号以起到及时警示作用的装置。
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