select f.pubDate,e.id,e.exchange from 100ppi_data.futures_ff as f left join 100ppi_data.futures_exchange as e on e.id = f.exchange where 1 order by f.pubDate desc limit 0,30成年大片免费视频播放 - 视频 - 在线观看 - 电影影院 - 品赏网