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【家電のしくみ】How home appliances work · How a Vacuum Cleaner Works / Mr. · How Air Conditioners Work / Mr. · How an Air Conditioner's Heater ...
YouTube-でんじろう先生のはぴエネ!【公式】Mr. Denjiro's Happy Energy!
1か月前【家電のしくみ】How home appliances work · How a Vacuum Cleaner Works / Mr. · How Air Conditioners Work / Mr. · How an Air Conditioner's Heater ...
YouTube-でんじろう先生のはぴエネ!【公式】Mr. Denjiro's Happy Energy!
1か月前