| ประโยคภาษาจีน : 中文句子 | 
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|  tí chū提出  le了  zài在  lóu tī kǒu楼梯口  cǎi yòng采用  fáng防  yān烟  kòng qì mù空气幕  lái来  dài tì代替  dǎng挡  yān烟  chuí垂  bì壁  jí及  sù dù速度  bù不  xiǎo yú小于 | 
| Puts forward a smoke control mode of applying smoke-preventing air curtain substituting for ceiling screen and down air flow with velocity no lower than 1. |