此前，住房和城乡建设部副部长齐骥在谈及保障性住房需要的几大制度及政府保障工作时，
O O O B-government I-government I-government I-government I-government I-government I-government I-government B-position I-position I-position B-name I-name O O O O O O O O O O O O O O O O O O O O O O O O