patio heater
noun [ C ] uk/ˈpæt.i.əʊ ˌhiː.tər/ us/ˈpæt̬.i.oʊ ˌhiː.t̬ɚ/
露台取暖器
a device that is used to heat an outside area where people sit, for example at a bar or restaurant with outside tables
His company installs awnings, decking, and patio heaters. 他的公司负责安装遮阳篷、花园甲板和露台取暖器。