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冬天,大家都有烤火的习惯。假如用煤烤火,烧煤放出的有害物质不能及时排出,人们在屋里就会有生命危险。我想在房里安装一个装置,自动测出
In winter, everyone has a habit of roasting fire. If coal is used to roast fire, harmful substances discharged from coal burning cannot be discharged in time, and people will be in danger of living in the house. I want to install a device in the room and measure it automatically