(1) Fearing that foreign capital indraft would come under severe control, Qing government was forced to approach the path mainly relying on national accumulation.

(2) The ducting hose end set funnel indraft cover use in ventilator installation. The ducting hose else end set discal air exit of power and heat supply set installation.

(3) Conclusion:To combine the TCD of righting the invigorating blood circulation and detoxifcation with indraft atomizing to treat children's virus pneumonia is a effective method.

(4) Conclusion To combine the TCO of righting the invigorating blood circulation and detoxifcation with indraft to treat children's vine pneumonia is a effective method.

(5) The main contributions of the paper are as follows: (1) An indraft heat transfer wind tunnel has been optimized designed based on CFD.