The automatic gas-off device of the gas cooker can alarm when the indoor gas reaches an alert concentration, and automatically close the gas secondary valve to get rid of potential safety hazard.
本发明可以在室内煤气达到警戒浓度后报警，并自动将煤气二级阀门关闭，解除安全隐患。
The automatic gas-off device of the gas cooker can alarm when the indoor gas reaches an alert concentration, and automatically close the gas secondary valve to get rid of potential safety hazard.
本发明可以在室内煤气达到警戒浓度后报警，并自动将煤气二级阀门关闭，解除安全隐患。
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