搜索结果: 1-1 共查到“经济学 Litter”相关记录1条 . 查询时间(0.078 秒)
The University of Queensland’s clean and green litter machine will cut carbon emissions（图）
green litter machine carbon emissions
2014/6/18
The University of Queensland’s new outdoor cleaning solution, the ‘Glutton’, is a dust-, noise- and exhaust-free litter vacuum that will reduce the University’s carbon emissions by approximately four ...